Information of spin space group $P\ce{^{1}{b}}\ce{^{1}{a}}\ce{^{1}{m}}\ce{^{\text{-}1}{(1/2 \ 1/2 \ 0)}}\ce{^{\infty m}{1}}$ ( nSSG:55.65.2.1 )

General Positions

The continuously infinite group ^∞1 is omitted.

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

Wyckoff Positions

WP	Site symmetry	Representative
2a	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(0,0,0 | 0,0,0)
2b	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(1/2,0,0 | 0,0,0)
2c	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(1/2,0,1/2 | 0,0,0)
2d	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(0,0,1/2 | 0,0,0)
4e	$..\ce{^{-1}{2}}/\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(1/4,1/4,0 | 0,0,0)
4f	$..\ce{^{-1}{2}}/\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(1/4,1/4,1/2 | 0,0,0)
4g	$\ce{^{-1}{2}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(a,0,0 | 0,0,0)
4h	$\ce{^{-1}{2}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(a,0,1/2 | 0,0,0)
4i	$\ce{^{-1}{m}}\ce{^{-1}{2}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(0,b,0 | 0,0,0)
4j	$\ce{^{-1}{m}}\ce{^{-1}{2}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(0,b,1/2 | 0,0,0)
4k	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{2}}\ce{^{\infty m}{1}} $	(0,0,c | 0,0,0)
4l	$\ce{^{-1}{m}}\ce{^{-1}{m}}\ce{^{1}{2}}\ce{^{\infty m}{1}} $	(0,1/2,c | 0,0,0)
8m	$..\ce{^{-1}{2}}\ce{^{\infty m}{1}} $	(1/4,1/4,c | 0,0,0)
8n	$\ce{^{-1}{m}}..\ce{^{\infty m}{1}} $	(0,b,c | 0,0,0)
8o	$.\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(a,0,c | 0,0,0)
8p	$..\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(a,b,0 | 0,0,z)
8q	$..\ce{^{1}{m}}\ce{^{\infty m}{1}} $	(a,b,1/2 | 0,0,z)
16r	$\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}} $
R:(1/2,1/2,1/2)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
S:(1/2,1/2,0)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
T:(0,1/2,1/2)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
U:(1/2,0,1/2)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
X:(1/2,0,0)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
Y:(0,1/2,0)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
Z:(0,0,1/2)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty /mm}{1}} $
A:(u,0,1/2)	$ \ce{^{m}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
B:(0,v,1/2)	$ \ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
C:(u,1/2,0)	$ \ce{^{m}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
D:(1/2,v,0)	$ \ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
Δ:(0,v,0)	$ \ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
E:(u,1/2,1/2)	$ \ce{^{m}{m}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
G:(1/2,0,w)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
H:(0,1/2,w)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
Λ:(0,0,w)	$ \ce{^{1}{m}}\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{\infty 2}{1}} $
P:(1/2,v,1/2)	$ \ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
Q:(1/2,1/2,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}} $
K:(0,v,w)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
L:(1/2,v,w)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
M:(u,0,w)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
N:(u,1/2,w)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
V:(u,v,0)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
W:(u,v,1/2)	$ \ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty 2}{1}} $
GP:(u,v,w)	$ \ce{^{m}{-1}}\ce{^{\infty 2}{1}} $

Spin Brillouin Zone

Band Representations (Magnon)

8p

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) $
R:(1/2,1/2,1/2)	$R_{1}^{S,+}R_{2}^{S,+}(4)⊕R_{3}^{S,-}R_{4}^{S,-}(4) $
S:(1/2,1/2,0)	$S_{1}^{S,+}S_{2}^{S,+}(4)⊕S_{3}^{S,-}S_{4}^{S,-}(4) $
T:(0,1/2,1/2)	$2T_{2}^{S}(4) $
U:(1/2,0,1/2)	$2U_{1}^{S}(4) $
X:(1/2,0,0)	$2X_{1}^{S}(4) $
Y:(0,1/2,0)	$2Y_{2}^{S}(4) $
Z:(0,0,1/2)	$Z_{1}^{S,+}(2)⊕Z_{2}^{S,+}(2)⊕Z_{3}^{S,-}(2)⊕Z_{4}^{S,-}(2) $
A:(u,0,1/2)	$2A_{1}^{S}(2)⊕2A_{4}^{S}(2) $
B:(0,v,1/2)	$2B_{1}^{S}(2)⊕2B_{4}^{S}(2) $
C:(u,1/2,0)	$2C_{1}^{S}C_{4}^{S}(4) $
D:(1/2,v,0)	$2D_{1}^{S}D_{4}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{4}^{S}(2) $
E:(u,1/2,1/2)	$2E_{1}^{S}E_{4}^{S}(4) $
G:(1/2,0,w)	$2G_{1}^{S}(4) $
H:(0,1/2,w)	$2H_{1}^{S}(4) $
Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2)⊕Λ_{3}^{S}(2)⊕Λ_{4}^{S}(2) $
P:(1/2,v,1/2)	$2P_{1}^{S}P_{4}^{S}(4) $
Q:(1/2,1/2,w)	$Q_{1}^{S}Q_{2}^{S}(4)⊕Q_{3}^{S}Q_{4}^{S}(4) $
Σ:(u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{4}^{S}(2) $
K:(0,v,w)	$2K_{1}^{S}(2)⊕2K_{2}^{S}(2) $
L:(1/2,v,w)	$2L_{1}^{S}L_{2}^{S}(4) $
M:(u,0,w)	$2M_{1}^{S}(2)⊕2M_{2}^{S}(2) $
N:(u,1/2,w)	$2N_{1}^{S}N_{2}^{S}(4) $
V:(u,v,0)	$4V_{1}^{S}(2) $
W:(u,v,1/2)	$4W_{1}^{S}(2) $
GP:(u,v,w)	$4GP_{1}^{S}(2) $

8q

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) $
R:(1/2,1/2,1/2)	$R_{1}^{S,-}R_{2}^{S,-}(4)⊕R_{3}^{S,+}R_{4}^{S,+}(4) $
S:(1/2,1/2,0)	$S_{1}^{S,+}S_{2}^{S,+}(4)⊕S_{3}^{S,-}S_{4}^{S,-}(4) $
T:(0,1/2,1/2)	$2T_{1}^{S}(4) $
U:(1/2,0,1/2)	$2U_{2}^{S}(4) $
X:(1/2,0,0)	$2X_{1}^{S}(4) $
Y:(0,1/2,0)	$2Y_{2}^{S}(4) $
Z:(0,0,1/2)	$Z_{1}^{S,-}(2)⊕Z_{2}^{S,-}(2)⊕Z_{3}^{S,+}(2)⊕Z_{4}^{S,+}(2) $
A:(u,0,1/2)	$2A_{2}^{S}(2)⊕2A_{3}^{S}(2) $
B:(0,v,1/2)	$2B_{2}^{S}(2)⊕2B_{3}^{S}(2) $
C:(u,1/2,0)	$2C_{1}^{S}C_{4}^{S}(4) $
D:(1/2,v,0)	$2D_{1}^{S}D_{4}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{4}^{S}(2) $
E:(u,1/2,1/2)	$2E_{2}^{S}E_{3}^{S}(4) $
G:(1/2,0,w)	$2G_{1}^{S}(4) $
H:(0,1/2,w)	$2H_{1}^{S}(4) $
Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2)⊕Λ_{3}^{S}(2)⊕Λ_{4}^{S}(2) $
P:(1/2,v,1/2)	$2P_{2}^{S}P_{3}^{S}(4) $
Q:(1/2,1/2,w)	$Q_{1}^{S}Q_{2}^{S}(4)⊕Q_{3}^{S}Q_{4}^{S}(4) $
Σ:(u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{4}^{S}(2) $
K:(0,v,w)	$2K_{1}^{S}(2)⊕2K_{2}^{S}(2) $
L:(1/2,v,w)	$2L_{1}^{S}L_{2}^{S}(4) $
M:(u,0,w)	$2M_{1}^{S}(2)⊕2M_{2}^{S}(2) $
N:(u,1/2,w)	$2N_{1}^{S}N_{2}^{S}(4) $
V:(u,v,0)	$4V_{1}^{S}(2) $
W:(u,v,1/2)	$4W_{2}^{S}(2) $
GP:(u,v,w)	$4GP_{1}^{S}(2) $

16r

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) $
R:(1/2,1/2,1/2)	$R_{1}^{S,+}R_{2}^{S,+}(4)⊕R_{1}^{S,-}R_{2}^{S,-}(4)⊕R_{3}^{S,+}R_{4}^{S,+}(4)⊕R_{3}^{S,-}R_{4}^{S,-}(4) $
S:(1/2,1/2,0)	$S_{1}^{S,+}S_{2}^{S,+}(4)⊕S_{1}^{S,-}S_{2}^{S,-}(4)⊕S_{3}^{S,+}S_{4}^{S,+}(4)⊕S_{3}^{S,-}S_{4}^{S,-}(4) $
T:(0,1/2,1/2)	$2T_{1}^{S}(4)⊕2T_{2}^{S}(4) $
U:(1/2,0,1/2)	$2U_{1}^{S}(4)⊕2U_{2}^{S}(4) $
X:(1/2,0,0)	$2X_{1}^{S}(4)⊕2X_{2}^{S}(4) $
Y:(0,1/2,0)	$2Y_{1}^{S}(4)⊕2Y_{2}^{S}(4) $
Z:(0,0,1/2)	$Z_{1}^{S,+}(2)⊕Z_{1}^{S,-}(2)⊕Z_{2}^{S,+}(2)⊕Z_{2}^{S,-}(2)⊕Z_{3}^{S,+}(2)⊕Z_{3}^{S,-}(2)⊕Z_{4}^{S,+}(2)⊕Z_{4}^{S,-}(2) $
A:(u,0,1/2)	$2A_{1}^{S}(2)⊕2A_{2}^{S}(2)⊕2A_{3}^{S}(2)⊕2A_{4}^{S}(2) $
B:(0,v,1/2)	$2B_{1}^{S}(2)⊕2B_{2}^{S}(2)⊕2B_{3}^{S}(2)⊕2B_{4}^{S}(2) $
C:(u,1/2,0)	$2C_{1}^{S}C_{4}^{S}(4)⊕2C_{2}^{S}C_{3}^{S}(4) $
D:(1/2,v,0)	$2D_{1}^{S}D_{4}^{S}(4)⊕2D_{2}^{S}D_{3}^{S}(4) $
Δ:(0,v,0)	$2Δ_{1}^{S}(2)⊕2Δ_{2}^{S}(2)⊕2Δ_{3}^{S}(2)⊕2Δ_{4}^{S}(2) $
E:(u,1/2,1/2)	$2E_{1}^{S}E_{4}^{S}(4)⊕2E_{2}^{S}E_{3}^{S}(4) $
G:(1/2,0,w)	$4G_{1}^{S}(4) $
H:(0,1/2,w)	$4H_{1}^{S}(4) $
Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{2}^{S}(2)⊕2Λ_{3}^{S}(2)⊕2Λ_{4}^{S}(2) $
P:(1/2,v,1/2)	$2P_{1}^{S}P_{4}^{S}(4)⊕2P_{2}^{S}P_{3}^{S}(4) $
Q:(1/2,1/2,w)	$2Q_{1}^{S}Q_{2}^{S}(4)⊕2Q_{3}^{S}Q_{4}^{S}(4) $
Σ:(u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{2}^{S}(2)⊕2Σ_{3}^{S}(2)⊕2Σ_{4}^{S}(2) $
K:(0,v,w)	$4K_{1}^{S}(2)⊕4K_{2}^{S}(2) $
L:(1/2,v,w)	$4L_{1}^{S}L_{2}^{S}(4) $
M:(u,0,w)	$4M_{1}^{S}(2)⊕4M_{2}^{S}(2) $
N:(u,1/2,w)	$4N_{1}^{S}N_{2}^{S}(4) $
V:(u,v,0)	$4V_{1}^{S}(2)⊕4V_{2}^{S}(2) $
W:(u,v,1/2)	$4W_{1}^{S}(2)⊕4W_{2}^{S}(2) $
GP:(u,v,w)	$8GP_{1}^{S}(2) $