Information of spin space group $I\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{a}}\ce{^{\text{-}1}{(0 \ 1/2 \ 0)}}\ce{^{\infty m}{1}}$ ( nSSG:74.65.2.1 )

General Positions

The continuously infinite group ^∞1 is omitted.

Coordinates	Seitz symbol
a, b, c | x, y, z	{ 1 ‖ 1 | 0 }
a, -b, -c | x, y, z	{ 1 ‖ 2100 | 0 }
-a, b+1/2, -c | x, y, z	{ 1 ‖ 2010 | 0 1/2 0 }
-a, -b+1/2, c | x, y, z	{ 1 ‖ 2001 | 0 1/2 0 }
-a, -b, -c | x, y, z	{ 1 ‖ -1 | 0 }
-a, b, c | x, y, z	{ 1 ‖ m100 | 0 }
a, -b+1/2, c | x, y, z	{ 1 ‖ m010 | 0 1/2 0 }
a, b+1/2, -c | x, y, z	{ 1 ‖ m001 | 0 1/2 0 }
a+1/2, b+1/2, c+1/2 | x, y, z	{ 1 ‖ 1 | 1/2 1/2 1/2 }
a+1/2, -b+1/2, -c+1/2 | x, y, z	{ 1 ‖ 2100 | 1/2 1/2 1/2 }
-a+1/2, b, -c+1/2 | x, y, z	{ 1 ‖ 2010 | 1/2 0 1/2 }
-a+1/2, -b, c+1/2 | x, y, z	{ 1 ‖ 2001 | 1/2 0 1/2 }
-a+1/2, -b+1/2, -c+1/2 | x, y, z	{ 1 ‖ -1 | 1/2 1/2 1/2 }
-a+1/2, b+1/2, c+1/2 | x, y, z	{ 1 ‖ m100 | 1/2 1/2 1/2 }
a+1/2, -b, c+1/2 | x, y, z	{ 1 ‖ m010 | 1/2 0 1/2 }
a+1/2, b, -c+1/2 | x, y, z	{ 1 ‖ m001 | 1/2 0 1/2 }
a, b+1/2, c | -x, -y, -z	{ -1 ‖ 1 | 0 1/2 0 }
a, -b+1/2, -c | -x, -y, -z	{ -1 ‖ 2100 | 0 1/2 0 }
-a, b, -c | -x, -y, -z	{ -1 ‖ 2010 | 0 }
-a, -b, c | -x, -y, -z	{ -1 ‖ 2001 | 0 }
-a, -b+1/2, -c | -x, -y, -z	{ -1 ‖ -1 | 0 1/2 0 }
-a, b+1/2, c | -x, -y, -z	{ -1 ‖ m100 | 0 1/2 0 }
a, -b, c | -x, -y, -z	{ -1 ‖ m010 | 0 }
a, b, -c | -x, -y, -z	{ -1 ‖ m001 | 0 }
a+1/2, b, c+1/2 | -x, -y, -z	{ -1 ‖ 1 | 1/2 0 1/2 }
a+1/2, -b, -c+1/2 | -x, -y, -z	{ -1 ‖ 2100 | 1/2 0 1/2 }
-a+1/2, b+1/2, -c+1/2 | -x, -y, -z	{ -1 ‖ 2010 | 1/2 1/2 1/2 }
-a+1/2, -b+1/2, c+1/2 | -x, -y, -z	{ -1 ‖ 2001 | 1/2 1/2 1/2 }
-a+1/2, -b, -c+1/2 | -x, -y, -z	{ -1 ‖ -1 | 1/2 0 1/2 }
-a+1/2, b, c+1/2 | -x, -y, -z	{ -1 ‖ m100 | 1/2 0 1/2 }
a+1/2, -b+1/2, c+1/2 | -x, -y, -z	{ -1 ‖ m010 | 1/2 1/2 1/2 }
a+1/2, b+1/2, -c+1/2 | -x, -y, -z	{ -1 ‖ m001 | 1/2 1/2 1/2 }
a, b, c | -x, y, z	{ m ‖ 1 | 0 }
a, -b, -c | -x, y, z	{ m ‖ 2100 | 0 }
-a, b+1/2, -c | -x, y, z	{ m ‖ 2010 | 0 1/2 0 }
-a, -b+1/2, c | -x, y, z	{ m ‖ 2001 | 0 1/2 0 }
-a, -b, -c | -x, y, z	{ m ‖ -1 | 0 }
-a, b, c | -x, y, z	{ m ‖ m100 | 0 }
a, -b+1/2, c | -x, y, z	{ m ‖ m010 | 0 1/2 0 }
a, b+1/2, -c | -x, y, z	{ m ‖ m001 | 0 1/2 0 }
a+1/2, b+1/2, c+1/2 | -x, y, z	{ m ‖ 1 | 1/2 1/2 1/2 }
a+1/2, -b+1/2, -c+1/2 | -x, y, z	{ m ‖ 2100 | 1/2 1/2 1/2 }
-a+1/2, b, -c+1/2 | -x, y, z	{ m ‖ 2010 | 1/2 0 1/2 }
-a+1/2, -b, c+1/2 | -x, y, z	{ m ‖ 2001 | 1/2 0 1/2 }
-a+1/2, -b+1/2, -c+1/2 | -x, y, z	{ m ‖ -1 | 1/2 1/2 1/2 }
-a+1/2, b+1/2, c+1/2 | -x, y, z	{ m ‖ m100 | 1/2 1/2 1/2 }
a+1/2, -b, c+1/2 | -x, y, z	{ m ‖ m010 | 1/2 0 1/2 }
a+1/2, b, -c+1/2 | -x, y, z	{ m ‖ m001 | 1/2 0 1/2 }
a, b+1/2, c | x, -y, -z	{ 2 ‖ 1 | 0 1/2 0 }
a, -b+1/2, -c | x, -y, -z	{ 2 ‖ 2100 | 0 1/2 0 }
-a, b, -c | x, -y, -z	{ 2 ‖ 2010 | 0 }
-a, -b, c | x, -y, -z	{ 2 ‖ 2001 | 0 }
-a, -b+1/2, -c | x, -y, -z	{ 2 ‖ -1 | 0 1/2 0 }
-a, b+1/2, c | x, -y, -z	{ 2 ‖ m100 | 0 1/2 0 }
a, -b, c | x, -y, -z	{ 2 ‖ m010 | 0 }
a, b, -c | x, -y, -z	{ 2 ‖ m001 | 0 }
a+1/2, b, c+1/2 | x, -y, -z	{ 2 ‖ 1 | 1/2 0 1/2 }
a+1/2, -b, -c+1/2 | x, -y, -z	{ 2 ‖ 2100 | 1/2 0 1/2 }
-a+1/2, b+1/2, -c+1/2 | x, -y, -z	{ 2 ‖ 2010 | 1/2 1/2 1/2 }
-a+1/2, -b+1/2, c+1/2 | x, -y, -z	{ 2 ‖ 2001 | 1/2 1/2 1/2 }
-a+1/2, -b, -c+1/2 | x, -y, -z	{ 2 ‖ -1 | 1/2 0 1/2 }
-a+1/2, b, c+1/2 | x, -y, -z	{ 2 ‖ m100 | 1/2 0 1/2 }
a+1/2, -b+1/2, c+1/2 | x, -y, -z	{ 2 ‖ m010 | 1/2 1/2 1/2 }
a+1/2, b+1/2, -c+1/2 | x, -y, -z	{ 2 ‖ m001 | 1/2 1/2 1/2 }

Wyckoff Positions

WP	Site symmetry	Representative
4a	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(0,3/4,0 | 0,0,0)
4b	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(0,3/4,1/2 | 0,0,0)
4c	$\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(0,0,1/2 | 0,0,0)
4d	$\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(0,0,0 | 0,0,0)
8e	$.\ce{^{1}{2}}/\ce{^{1}{m}}.\ce{^{\infty m}{1}} $	(1/4,3/4,1/4 | 0,0,z)
8f	$.\ce{^{1}{2}}/\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(1/4,0,1/4 | 0,0,0)
8g	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{2}}\ce{^{\infty m}{1}} $	(0,3/4,c | 0,0,z)
8h	$\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{-1}{2}}\ce{^{\infty m}{1}} $	(0,0,c | 0,0,0)
8i	$\ce{^{-1}{2}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(a,3/4,0 | 0,0,0)
8j	$\ce{^{1}{2}}\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(a,0,0 | 0,0,0)
8k	$\ce{^{1}{m}}\ce{^{-1}{2}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(0,b,0 | 0,0,0)
8l	$\ce{^{1}{m}}\ce{^{-1}{2}}\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(1/2,b,0 | 0,0,0)
16m	$.\ce{^{1}{2}}.\ce{^{\infty m}{1}} $	(1/4,b,1/4 | 0,0,z)
16n	$..\ce{^{-1}{m}}\ce{^{\infty m}{1}} $	(a,b,0 | 0,0,0)
16o	$\ce{^{1}{m}}..\ce{^{\infty m}{1}} $	(0,b,c | 0,0,z)
16p	$.\ce{^{1}{m}}.\ce{^{\infty m}{1}} $	(a,3/4,c | 0,0,z)
16q	$.\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(a,0,c | 0,0,0)
32r	$\ce{^{1}{1}}\ce{^{\infty m}{1}} $	(a,b,c | 0,0,z)

Spin Brillouin Zone & k-little co-groups

Wavevector-k	Little co-group
Γ:(0,0,0)	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
X:(1,1,1)	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
R:(1/2,0,1/2)	$\ce{^{1}{2/}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
S:(0,1/2,1/2)	$\ce{^{1}{2/}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
T:(1/2,1/2,0)	$\ce{^{1}{2/}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
W:(1/2,1/2,1/2)	$\ce{^{m}{m}}\ce{^{m}{m}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
Δ:(0,v,0)	$ \ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
Λ:(0,0,w)	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
Σ:(u,0,0)	$\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
A:(0,v,w)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
B:(u,0,w)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
C:(u,v,0)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
D:(u,1/2,1/2)	$\ce{^{1}{2/}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
P:(1/2,1/2,w)	$\ce{^{1}{2/}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
Q:(1/2,v,1/2)	$\ce{^{1}{2/}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
GP:(u,v,w)	$\ce{^{m}{-1}}\ce{^{\infty 2}{1}} $

Spin Brillouin Zone

Band Representations (Magnon)

8e

k-vector	Ag↑G(4)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{4}^{S,+}(2) $
X:(1,1,1)	$X_{2}^{S,-}(2)⊕X_{3}^{S,-}(2) $
R:(1/2,0,1/2)	$R_{1}^{S,+}(2)⊕R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$S_{1}^{S,+}(2)⊕S_{2}^{S,+}(2) $
T:(1/2,1/2,0)	$T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$W_{1}^{S}(4) $
Δ:(0,v,0)	$Δ_{1}^{S}(2)⊕Δ_{2}^{S}(2) $
Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{4}^{S}(2) $
Σ:(u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{3}^{S}(2) $
A:(0,v,w)	$A_{1}^{S}(2)⊕A_{2}^{S}(2) $
B:(u,0,w)	$2B_{1}^{S}(2) $
C:(u,v,0)	$C_{1}^{S}(2)⊕C_{2}^{S}(2) $
D:(u,1/2,1/2)	$D_{1}^{S}(2)⊕D_{2}^{S}(2) $
P:(1/2,1/2,w)	$P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$Q_{1}^{S}(2)⊕Q_{2}^{S}(2) $
GP:(u,v,w)	$2GP_{1}^{S}(2) $

8g

k-vector	A1↑G(4)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{2}^{S,-}(2) $
X:(1,1,1)	$X_{1}^{S,+}(2)⊕X_{2}^{S,-}(2) $
R:(1/2,0,1/2)	$R_{1}^{S,+}(2)⊕R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$S_{1}^{S,+}(2)⊕S_{2}^{S,-}(2) $
T:(1/2,1/2,0)	$T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$W_{1}^{S}(4) $
Δ:(0,v,0)	$Δ_{1}^{S}(2)⊕Δ_{3}^{S}(2) $
Λ:(0,0,w)	$2Λ_{1}^{S}(2) $
Σ:(u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{3}^{S}(2) $
A:(0,v,w)	$2A_{1}^{S}(2) $
B:(u,0,w)	$2B_{1}^{S}(2) $
C:(u,v,0)	$C_{1}^{S}(2)⊕C_{2}^{S}(2) $
D:(u,1/2,1/2)	$D_{1}^{S}(2)⊕D_{2}^{S}(2) $
P:(1/2,1/2,w)	$P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$Q_{1}^{S}(2)⊕Q_{2}^{S}(2) $
GP:(u,v,w)	$2GP_{1}^{S}(2) $

16m

k-vector	A↑G(8)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{1}^{S,-}(2)⊕Γ_{4}^{S,+}(2)⊕Γ_{4}^{S,-}(2) $
X:(1,1,1)	$X_{2}^{S,+}(2)⊕X_{2}^{S,-}(2)⊕X_{3}^{S,+}(2)⊕X_{3}^{S,-}(2) $
R:(1/2,0,1/2)	$R_{1}^{S,+}(2)⊕R_{1}^{S,-}(2)⊕R_{2}^{S,+}(2)⊕R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$S_{1}^{S,+}(2)⊕S_{1}^{S,-}(2)⊕S_{2}^{S,+}(2)⊕S_{2}^{S,-}(2) $
T:(1/2,1/2,0)	$2T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$2W_{1}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{2}^{S}(2) $
Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2)⊕Λ_{3}^{S}(2)⊕Λ_{4}^{S}(2) $
Σ:(u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{2}^{S}(2)⊕Σ_{3}^{S}(2)⊕Σ_{4}^{S}(2) $
A:(0,v,w)	$2A_{1}^{S}(2)⊕2A_{2}^{S}(2) $
B:(u,0,w)	$2B_{1}^{S}(2)⊕2B_{2}^{S}(2) $
C:(u,v,0)	$2C_{1}^{S}(2)⊕2C_{2}^{S}(2) $
D:(u,1/2,1/2)	$2D_{1}^{S}(2)⊕2D_{2}^{S}(2) $
P:(1/2,1/2,w)	$2P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$2Q_{1}^{S}(2)⊕2Q_{2}^{S}(2) $
GP:(u,v,w)	$4GP_{1}^{S}(2) $

16o

k-vector	A'↑G(8)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{2}^{S,-}(2)⊕Γ_{3}^{S,+}(2)⊕Γ_{4}^{S,-}(2) $
X:(1,1,1)	$X_{1}^{S,+}(2)⊕X_{2}^{S,-}(2)⊕X_{3}^{S,+}(2)⊕X_{4}^{S,-}(2) $
R:(1/2,0,1/2)	$R_{1}^{S,+}(2)⊕R_{1}^{S,-}(2)⊕R_{2}^{S,+}(2)⊕R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$2S_{1}^{S,+}(2)⊕2S_{2}^{S,-}(2) $
T:(1/2,1/2,0)	$2T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$2W_{1}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{3}^{S}(2) $
Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{3}^{S}(2) $
Σ:(u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{2}^{S}(2)⊕Σ_{3}^{S}(2)⊕Σ_{4}^{S}(2) $
A:(0,v,w)	$4A_{1}^{S}(2) $
B:(u,0,w)	$2B_{1}^{S}(2)⊕2B_{2}^{S}(2) $
C:(u,v,0)	$2C_{1}^{S}(2)⊕2C_{2}^{S}(2) $
D:(u,1/2,1/2)	$2D_{1}^{S}(2)⊕2D_{2}^{S}(2) $
P:(1/2,1/2,w)	$2P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$2Q_{1}^{S}(2)⊕2Q_{2}^{S}(2) $
GP:(u,v,w)	$4GP_{1}^{S}(2) $

16p

k-vector	A'↑G(8)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{2}^{S,-}(2)⊕Γ_{3}^{S,-}(2)⊕Γ_{4}^{S,+}(2) $
X:(1,1,1)	$X_{1}^{S,+}(2)⊕X_{2}^{S,-}(2)⊕X_{3}^{S,-}(2)⊕X_{4}^{S,+}(2) $
R:(1/2,0,1/2)	$2R_{1}^{S,+}(2)⊕2R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$S_{1}^{S,+}(2)⊕S_{1}^{S,-}(2)⊕S_{2}^{S,+}(2)⊕S_{2}^{S,-}(2) $
T:(1/2,1/2,0)	$2T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$2W_{1}^{S}(4) $
Δ:(0,v,0)	$Δ_{1}^{S}(2)⊕Δ_{2}^{S}(2)⊕Δ_{3}^{S}(2)⊕Δ_{4}^{S}(2) $
Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{4}^{S}(2) $
Σ:(u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{3}^{S}(2) $
A:(0,v,w)	$2A_{1}^{S}(2)⊕2A_{2}^{S}(2) $
B:(u,0,w)	$4B_{1}^{S}(2) $
C:(u,v,0)	$2C_{1}^{S}(2)⊕2C_{2}^{S}(2) $
D:(u,1/2,1/2)	$2D_{1}^{S}(2)⊕2D_{2}^{S}(2) $
P:(1/2,1/2,w)	$2P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$2Q_{1}^{S}(2)⊕2Q_{2}^{S}(2) $
GP:(u,v,w)	$4GP_{1}^{S}(2) $

32r

k-vector	A↑G(16)
Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{1}^{S,-}(2)⊕Γ_{2}^{S,+}(2)⊕Γ_{2}^{S,-}(2)⊕Γ_{3}^{S,+}(2)⊕Γ_{3}^{S,-}(2)⊕Γ_{4}^{S,+}(2)⊕Γ_{4}^{S,-}(2) $
X:(1,1,1)	$X_{1}^{S,+}(2)⊕X_{1}^{S,-}(2)⊕X_{2}^{S,+}(2)⊕X_{2}^{S,-}(2)⊕X_{3}^{S,+}(2)⊕X_{3}^{S,-}(2)⊕X_{4}^{S,+}(2)⊕X_{4}^{S,-}(2) $
R:(1/2,0,1/2)	$2R_{1}^{S,+}(2)⊕2R_{1}^{S,-}(2)⊕2R_{2}^{S,+}(2)⊕2R_{2}^{S,-}(2) $
S:(0,1/2,1/2)	$2S_{1}^{S,+}(2)⊕2S_{1}^{S,-}(2)⊕2S_{2}^{S,+}(2)⊕2S_{2}^{S,-}(2) $
T:(1/2,1/2,0)	$4T_{1}^{S}(4) $
W:(1/2,1/2,1/2)	$4W_{1}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{2}^{S}(2)⊕2Δ_{3}^{S}(2)⊕2Δ_{4}^{S}(2) $
Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{2}^{S}(2)⊕2Λ_{3}^{S}(2)⊕2Λ_{4}^{S}(2) $
Σ:(u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{2}^{S}(2)⊕2Σ_{3}^{S}(2)⊕2Σ_{4}^{S}(2) $
A:(0,v,w)	$4A_{1}^{S}(2)⊕4A_{2}^{S}(2) $
B:(u,0,w)	$4B_{1}^{S}(2)⊕4B_{2}^{S}(2) $
C:(u,v,0)	$4C_{1}^{S}(2)⊕4C_{2}^{S}(2) $
D:(u,1/2,1/2)	$4D_{1}^{S}(2)⊕4D_{2}^{S}(2) $
P:(1/2,1/2,w)	$4P_{1}^{S}P_{2}^{S}(4) $
Q:(1/2,v,1/2)	$4Q_{1}^{S}(2)⊕4Q_{2}^{S}(2) $
GP:(u,v,w)	$8GP_{1}^{S}(2) $