Information of spin space group $P\ce{^{\text{-}1}{4/}}\ce{^{1}{n}}\ce{^{\text{-}1}{c}}\ce{^{1}{c}}\ce{^{\infty m}{1}}$ ( nSSG:68.130.1.1 )

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 ‖ 2001 | 1/2 1/2 0 }
b+1/2, a+1/2, -c+1/2 | x, y, z	{ 1 ‖ 2110 | 1/2 1/2 1/2 }
-b, -a, -c+1/2 | x, y, z	{ 1 ‖ 21-10 | 0 0 1/2 }
-a, -b, -c | x, y, z	{ 1 ‖ -1 | 0 }
a+1/2, b+1/2, -c | x, y, z	{ 1 ‖ m001 | 1/2 1/2 0 }
-b+1/2, -a+1/2, c+1/2 | x, y, z	{ 1 ‖ m110 | 1/2 1/2 1/2 }
b, a, c+1/2 | x, y, z	{ 1 ‖ m1-10 | 0 0 1/2 }
-b+1/2, a, c | -x, -y, -z	{ -1 ‖ 4+001 | 1/2 0 0 }
b, -a+1/2, c | -x, -y, -z	{ -1 ‖ 4-001 | 0 1/2 0 }
a+1/2, -b, -c+1/2 | -x, -y, -z	{ -1 ‖ 2100 | 1/2 0 1/2 }
-a, b+1/2, -c+1/2 | -x, -y, -z	{ -1 ‖ 2010 | 0 1/2 1/2 }
b+1/2, -a, -c | -x, -y, -z	{ -1 ‖ -4+001 | 1/2 0 0 }
-b, a+1/2, -c | -x, -y, -z	{ -1 ‖ -4-001 | 0 1/2 0 }
-a+1/2, b, c+1/2 | -x, -y, -z	{ -1 ‖ m100 | 1/2 0 1/2 }
a, -b+1/2, c+1/2 | -x, -y, -z	{ -1 ‖ m010 | 0 1/2 1/2 }
a, b, c | -x, y, z	{ m ‖ 1 | 0 }
-a+1/2, -b+1/2, c | -x, y, z	{ m ‖ 2001 | 1/2 1/2 0 }
b+1/2, a+1/2, -c+1/2 | -x, y, z	{ m ‖ 2110 | 1/2 1/2 1/2 }
-b, -a, -c+1/2 | -x, y, z	{ m ‖ 21-10 | 0 0 1/2 }
-a, -b, -c | -x, y, z	{ m ‖ -1 | 0 }
a+1/2, b+1/2, -c | -x, y, z	{ m ‖ m001 | 1/2 1/2 0 }
-b+1/2, -a+1/2, c+1/2 | -x, y, z	{ m ‖ m110 | 1/2 1/2 1/2 }
b, a, c+1/2 | -x, y, z	{ m ‖ m1-10 | 0 0 1/2 }
-b+1/2, a, c | x, -y, -z	{ 2 ‖ 4+001 | 1/2 0 0 }
b, -a+1/2, c | x, -y, -z	{ 2 ‖ 4-001 | 0 1/2 0 }
a+1/2, -b, -c+1/2 | x, -y, -z	{ 2 ‖ 2100 | 1/2 0 1/2 }
-a, b+1/2, -c+1/2 | x, -y, -z	{ 2 ‖ 2010 | 0 1/2 1/2 }
b+1/2, -a, -c | x, -y, -z	{ 2 ‖ -4+001 | 1/2 0 0 }
-b, a+1/2, -c | x, -y, -z	{ 2 ‖ -4-001 | 0 1/2 0 }
-a+1/2, b, c+1/2 | x, -y, -z	{ 2 ‖ m100 | 1/2 0 1/2 }
a, -b+1/2, c+1/2 | x, -y, -z	{ 2 ‖ m010 | 0 1/2 1/2 }

Wyckoff Positions

WP	Site symmetry	Representative
4a	$\ce{^{1}{2}}.\ce{^{1}{2}}\ce{^{1}{2}}\ce{^{\infty m}{1}} $	(3/4,1/4,1/4 | 0,0,z)
4b	$\ce{^{-1}{-4}}..\ce{^{\infty m}{1}} $	(3/4,1/4,0 | 0,0,0)
4c	$\ce{^{-1}{4}}..\ce{^{\infty m}{1}} $	(1/4,1/4,c | 0,0,0)
8d	$\ce{^{1}{-1}}\ce{^{\infty m}{1}} $	(0,0,0 | 0,0,z)
8e	$\ce{^{1}{2}}..\ce{^{\infty m}{1}} $	(3/4,1/4,c | 0,0,z)
8f	$..\ce{^{1}{2}}\ce{^{\infty m}{1}} $	(a,-a,1/4 | 0,0,z)
16g	$\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
A:(1/2,1/2,1/2)	$\ce{^{-1}{4/}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
Γ:(0,0,0)	$\ce{^{-1}{4/}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
M:(1/2,1/2,0)	$\ce{^{-1}{4/}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
Z:(0,0,1/2)	$\ce{^{-1}{4/}}\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
R:(0,1/2,1/2)	$\ce{^{2}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
X:(0,1/2,0)	$\ce{^{2}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
Λ:(0,0,w)	$\ce{^{2}{4/}}\ce{^{m}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
V:(1/2,1/2,w)	$\ce{^{2}{4/}}\ce{^{m}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
Δ:(0,v,0)	$\ce{^{2}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
S:(u,u,1/2)	$\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
Σ:(u,u,0)	$\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
T:(u,1/2,1/2)	$\ce{^{-1}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
U:(0,v,1/2)	$\ce{^{2}{m}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
W:(0,1/2,w)	$\ce{^{2}{m}}\ce{^{2}{m}}\ce{^{m}{m}}\ce{^{\infty}{1}} $
Y:(u,1/2,0)	$\ce{^{-1}{m}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
B:(0,v,w)	$\ce{^{-1}{2/}}\ce{^{2}{m}}\ce{^{\infty}{1}} $
C:(u,u,w)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
D:(u,v,0)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
E:(u,v,1/2)	$\ce{^{m}{2/}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
F:(u,1/2,w)	$\ce{^{-1}{2/}}\ce{^{2}{m}}\ce{^{\infty}{1}} $
GP:(u,v,w)	$\ce{^{m}{-1}}\ce{^{\infty}{1}} $

Spin Brillouin Zone

Band Representations (Magnon)

16g

k-vector	k-vector-G↑	A↑G(16)
Γ:(0,0,0)	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) $
A:(1/2,1/2,1/2)	T:(1,0,1/2)	$2(A)T_{1}^{S}(4)⊕2(A)T_{2}^{S}(4) $
M:(1/2,1/2,0)	Y:(1,0,0)	$(M)Y_{1}^{S,+}(2)⊕(M)Y_{1}^{S,-}(2)⊕(M)Y_{2}^{S,+}(2)⊕(M)Y_{2}^{S,-}(2)⊕(M)Y_{3}^{S,+}(2)⊕(M)Y_{3}^{S,-}(2)⊕(M)Y_{4}^{S,+}(2)⊕(M)Y_{4}^{S,-}(2) $
R:(0,1/2,1/2)	R:(1/2,1/2,1/2)	$4R_{1}^{S}(4) $
X:(0,1/2,0)	S:(1/2,1/2,0)	$4(X)S_{1}^{S}(4) $
Z:(0,0,1/2)	Z:(0,0,1/2)	$2Z_{1}^{S}(4)⊕2Z_{2}^{S}(4) $
Δ:(0,v,0)	P:(v,v,0)	$4(Δ)P_{1}^{S}(2)⊕4(Δ)P_{2}^{S}(2) $
Λ:(0,0,w)	Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{2}^{S}(2)⊕2Λ_{3}^{S}(2)⊕2Λ_{4}^{S}(2) $
S:(u,u,1/2)	A:(2*u,0,1/2)	$4(S)A_{1}^{S}(4) $
Σ:(u,u,0)	Σ:(2*u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{2}^{S}(2)⊕2Σ_{3}^{S}(2)⊕2Σ_{4}^{S}(2) $
T:(u,1/2,1/2)	Q:(1/2+u,1/2-u,1/2)	$4(T)Q_{1}^{S}(2)⊕4(T)Q_{2}^{S}(2) $
U:(0,v,1/2)	Q:(v,v,1/2)	$4(U)Q_{1}^{S}(2)⊕4(U)Q_{2}^{S}(2) $
V:(1/2,1/2,w)	H:(1,0,w)	$2(V)H_{1}^{S}(2)⊕2(V)H_{2}^{S}(2)⊕2(V)H_{3}^{S}(2)⊕2(V)H_{4}^{S}(2) $
W:(0,1/2,w)	D:(1/2,1/2,w)	$4(W)D_{1}^{S}(W)D_{2}^{S}(4) $
Y:(u,1/2,0)	P:(1/2+u,1/2-u,0)	$4(Y)P_{1}^{S}(2)⊕4(Y)P_{2}^{S}(2) $
B:(0,v,w)	GP:(v,v,w)	$8(B)GP_{1}^{S}(2) $
C:(u,u,w)	M:(2*u,0,w)	$4(C)M_{1}^{S}(2)⊕4(C)M_{2}^{S}(2) $
D:(u,v,0)	P:(u+v,-u+v,0)	$4(D)P_{1}^{S}(2)⊕4(D)P_{2}^{S}(2) $
E:(u,v,1/2)	Q:(u+v,-u+v,1/2)	$4(E)Q_{1}^{S}(2)⊕4(E)Q_{2}^{S}(2) $
F:(u,1/2,w)	GP:(1/2+u,1/2-u,w)	$8(F)GP_{1}^{S}(2) $
GP:(u,v,w)	GP:(u+v,-u+v,w)	$8GP_{1}^{S}(2) $

4a

k-vector	k-vector-G↑	A↑G(4)
Γ:(0,0,0)	Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{1}^{S,-}(2) $
A:(1/2,1/2,1/2)	T:(1,0,1/2)	$(A)T_{1}^{S}(4) $
M:(1/2,1/2,0)	Y:(1,0,0)	$(M)Y_{1}^{S,+}(2)⊕(M)Y_{1}^{S,-}(2) $
R:(0,1/2,1/2)	R:(1/2,1/2,1/2)	$R_{1}^{S}(4) $
X:(0,1/2,0)	S:(1/2,1/2,0)	$(X)S_{1}^{S}(4) $
Z:(0,0,1/2)	Z:(0,0,1/2)	$Z_{1}^{S}(4) $
Δ:(0,v,0)	P:(v,v,0)	$(Δ)P_{1}^{S}(2)⊕(Δ)P_{2}^{S}(2) $
Λ:(0,0,w)	Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2) $
S:(u,u,1/2)	A:(2*u,0,1/2)	$(S)A_{1}^{S}(4) $
Σ:(u,u,0)	Σ:(2*u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{2}^{S}(2) $
T:(u,1/2,1/2)	Q:(1/2+u,1/2-u,1/2)	$(T)Q_{1}^{S}(2)⊕(T)Q_{2}^{S}(2) $
U:(0,v,1/2)	Q:(v,v,1/2)	$(U)Q_{1}^{S}(2)⊕(U)Q_{2}^{S}(2) $
V:(1/2,1/2,w)	H:(1,0,w)	$(V)H_{1}^{S}(2)⊕(V)H_{2}^{S}(2) $
W:(0,1/2,w)	D:(1/2,1/2,w)	$(W)D_{1}^{S}(W)D_{2}^{S}(4) $
Y:(u,1/2,0)	P:(1/2+u,1/2-u,0)	$(Y)P_{1}^{S}(2)⊕(Y)P_{2}^{S}(2) $
B:(0,v,w)	GP:(v,v,w)	$2(B)GP_{1}^{S}(2) $
C:(u,u,w)	M:(2*u,0,w)	$(C)M_{1}^{S}(2)⊕(C)M_{2}^{S}(2) $
D:(u,v,0)	P:(u+v,-u+v,0)	$(D)P_{1}^{S}(2)⊕(D)P_{2}^{S}(2) $
E:(u,v,1/2)	Q:(u+v,-u+v,1/2)	$(E)Q_{1}^{S}(2)⊕(E)Q_{2}^{S}(2) $
F:(u,1/2,w)	GP:(1/2+u,1/2-u,w)	$2(F)GP_{1}^{S}(2) $
GP:(u,v,w)	GP:(u+v,-u+v,w)	$2GP_{1}^{S}(2) $

8d

k-vector	k-vector-G↑	Ag↑G(8)
Γ:(0,0,0)	Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{2}^{S,+}(2)⊕Γ_{3}^{S,+}(2)⊕Γ_{4}^{S,+}(2) $
A:(1/2,1/2,1/2)	T:(1,0,1/2)	$(A)T_{1}^{S}(4)⊕(A)T_{2}^{S}(4) $
M:(1/2,1/2,0)	Y:(1,0,0)	$(M)Y_{1}^{S,+}(2)⊕(M)Y_{2}^{S,+}(2)⊕(M)Y_{3}^{S,+}(2)⊕(M)Y_{4}^{S,+}(2) $
R:(0,1/2,1/2)	R:(1/2,1/2,1/2)	$2R_{1}^{S}(4) $
X:(0,1/2,0)	S:(1/2,1/2,0)	$2(X)S_{1}^{S}(4) $
Z:(0,0,1/2)	Z:(0,0,1/2)	$Z_{1}^{S}(4)⊕Z_{2}^{S}(4) $
Δ:(0,v,0)	P:(v,v,0)	$2(Δ)P_{1}^{S}(2)⊕2(Δ)P_{2}^{S}(2) $
Λ:(0,0,w)	Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2)⊕Λ_{3}^{S}(2)⊕Λ_{4}^{S}(2) $
S:(u,u,1/2)	A:(2*u,0,1/2)	$2(S)A_{1}^{S}(4) $
Σ:(u,u,0)	Σ:(2*u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{2}^{S}(2)⊕Σ_{3}^{S}(2)⊕Σ_{4}^{S}(2) $
T:(u,1/2,1/2)	Q:(1/2+u,1/2-u,1/2)	$2(T)Q_{1}^{S}(2)⊕2(T)Q_{2}^{S}(2) $
U:(0,v,1/2)	Q:(v,v,1/2)	$2(U)Q_{1}^{S}(2)⊕2(U)Q_{2}^{S}(2) $
V:(1/2,1/2,w)	H:(1,0,w)	$(V)H_{1}^{S}(2)⊕(V)H_{2}^{S}(2)⊕(V)H_{3}^{S}(2)⊕(V)H_{4}^{S}(2) $
W:(0,1/2,w)	D:(1/2,1/2,w)	$2(W)D_{1}^{S}(W)D_{2}^{S}(4) $
Y:(u,1/2,0)	P:(1/2+u,1/2-u,0)	$2(Y)P_{1}^{S}(2)⊕2(Y)P_{2}^{S}(2) $
B:(0,v,w)	GP:(v,v,w)	$4(B)GP_{1}^{S}(2) $
C:(u,u,w)	M:(2*u,0,w)	$2(C)M_{1}^{S}(2)⊕2(C)M_{2}^{S}(2) $
D:(u,v,0)	P:(u+v,-u+v,0)	$2(D)P_{1}^{S}(2)⊕2(D)P_{2}^{S}(2) $
E:(u,v,1/2)	Q:(u+v,-u+v,1/2)	$2(E)Q_{1}^{S}(2)⊕2(E)Q_{2}^{S}(2) $
F:(u,1/2,w)	GP:(1/2+u,1/2-u,w)	$4(F)GP_{1}^{S}(2) $
GP:(u,v,w)	GP:(u+v,-u+v,w)	$4GP_{1}^{S}(2) $

8f

k-vector	k-vector-G↑	A↑G(8)
Γ:(0,0,0)	Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{1}^{S,-}(2)⊕Γ_{3}^{S,+}(2)⊕Γ_{3}^{S,-}(2) $
A:(1/2,1/2,1/2)	T:(1,0,1/2)	$(A)T_{1}^{S}(4)⊕(A)T_{2}^{S}(4) $
M:(1/2,1/2,0)	Y:(1,0,0)	$(M)Y_{1}^{S,+}(2)⊕(M)Y_{1}^{S,-}(2)⊕(M)Y_{3}^{S,+}(2)⊕(M)Y_{3}^{S,-}(2) $
R:(0,1/2,1/2)	R:(1/2,1/2,1/2)	$2R_{1}^{S}(4) $
X:(0,1/2,0)	S:(1/2,1/2,0)	$2(X)S_{1}^{S}(4) $
Z:(0,0,1/2)	Z:(0,0,1/2)	$Z_{1}^{S}(4)⊕Z_{2}^{S}(4) $
Δ:(0,v,0)	P:(v,v,0)	$2(Δ)P_{1}^{S}(2)⊕2(Δ)P_{2}^{S}(2) $
Λ:(0,0,w)	Λ:(0,0,w)	$Λ_{1}^{S}(2)⊕Λ_{2}^{S}(2)⊕Λ_{3}^{S}(2)⊕Λ_{4}^{S}(2) $
S:(u,u,1/2)	A:(2*u,0,1/2)	$2(S)A_{1}^{S}(4) $
Σ:(u,u,0)	Σ:(2*u,0,0)	$2Σ_{1}^{S}(2)⊕2Σ_{2}^{S}(2) $
T:(u,1/2,1/2)	Q:(1/2+u,1/2-u,1/2)	$2(T)Q_{1}^{S}(2)⊕2(T)Q_{2}^{S}(2) $
U:(0,v,1/2)	Q:(v,v,1/2)	$2(U)Q_{1}^{S}(2)⊕2(U)Q_{2}^{S}(2) $
V:(1/2,1/2,w)	H:(1,0,w)	$(V)H_{1}^{S}(2)⊕(V)H_{2}^{S}(2)⊕(V)H_{3}^{S}(2)⊕(V)H_{4}^{S}(2) $
W:(0,1/2,w)	D:(1/2,1/2,w)	$2(W)D_{1}^{S}(W)D_{2}^{S}(4) $
Y:(u,1/2,0)	P:(1/2+u,1/2-u,0)	$2(Y)P_{1}^{S}(2)⊕2(Y)P_{2}^{S}(2) $
B:(0,v,w)	GP:(v,v,w)	$4(B)GP_{1}^{S}(2) $
C:(u,u,w)	M:(2*u,0,w)	$2(C)M_{1}^{S}(2)⊕2(C)M_{2}^{S}(2) $
D:(u,v,0)	P:(u+v,-u+v,0)	$2(D)P_{1}^{S}(2)⊕2(D)P_{2}^{S}(2) $
E:(u,v,1/2)	Q:(u+v,-u+v,1/2)	$2(E)Q_{1}^{S}(2)⊕2(E)Q_{2}^{S}(2) $
F:(u,1/2,w)	GP:(1/2+u,1/2-u,w)	$4(F)GP_{1}^{S}(2) $
GP:(u,v,w)	GP:(u+v,-u+v,w)	$4GP_{1}^{S}(2) $

8e

k-vector	k-vector-G↑	A↑G(8)
Γ:(0,0,0)	Γ:(0,0,0)	$Γ_{1}^{S,+}(2)⊕Γ_{1}^{S,-}(2)⊕Γ_{2}^{S,+}(2)⊕Γ_{2}^{S,-}(2) $
A:(1/2,1/2,1/2)	T:(1,0,1/2)	$2(A)T_{1}^{S}(4) $
M:(1/2,1/2,0)	Y:(1,0,0)	$(M)Y_{1}^{S,+}(2)⊕(M)Y_{1}^{S,-}(2)⊕(M)Y_{2}^{S,+}(2)⊕(M)Y_{2}^{S,-}(2) $
R:(0,1/2,1/2)	R:(1/2,1/2,1/2)	$2R_{1}^{S}(4) $
X:(0,1/2,0)	S:(1/2,1/2,0)	$2(X)S_{1}^{S}(4) $
Z:(0,0,1/2)	Z:(0,0,1/2)	$2Z_{1}^{S}(4) $
Δ:(0,v,0)	P:(v,v,0)	$2(Δ)P_{1}^{S}(2)⊕2(Δ)P_{2}^{S}(2) $
Λ:(0,0,w)	Λ:(0,0,w)	$2Λ_{1}^{S}(2)⊕2Λ_{2}^{S}(2) $
S:(u,u,1/2)	A:(2*u,0,1/2)	$2(S)A_{1}^{S}(4) $
Σ:(u,u,0)	Σ:(2*u,0,0)	$Σ_{1}^{S}(2)⊕Σ_{2}^{S}(2)⊕Σ_{3}^{S}(2)⊕Σ_{4}^{S}(2) $
T:(u,1/2,1/2)	Q:(1/2+u,1/2-u,1/2)	$2(T)Q_{1}^{S}(2)⊕2(T)Q_{2}^{S}(2) $
U:(0,v,1/2)	Q:(v,v,1/2)	$2(U)Q_{1}^{S}(2)⊕2(U)Q_{2}^{S}(2) $
V:(1/2,1/2,w)	H:(1,0,w)	$2(V)H_{1}^{S}(2)⊕2(V)H_{2}^{S}(2) $
W:(0,1/2,w)	D:(1/2,1/2,w)	$2(W)D_{1}^{S}(W)D_{2}^{S}(4) $
Y:(u,1/2,0)	P:(1/2+u,1/2-u,0)	$2(Y)P_{1}^{S}(2)⊕2(Y)P_{2}^{S}(2) $
B:(0,v,w)	GP:(v,v,w)	$4(B)GP_{1}^{S}(2) $
C:(u,u,w)	M:(2*u,0,w)	$2(C)M_{1}^{S}(2)⊕2(C)M_{2}^{S}(2) $
D:(u,v,0)	P:(u+v,-u+v,0)	$2(D)P_{1}^{S}(2)⊕2(D)P_{2}^{S}(2) $
E:(u,v,1/2)	Q:(u+v,-u+v,1/2)	$2(E)Q_{1}^{S}(2)⊕2(E)Q_{2}^{S}(2) $
F:(u,1/2,w)	GP:(1/2+u,1/2-u,w)	$4(F)GP_{1}^{S}(2) $
GP:(u,v,w)	GP:(u+v,-u+v,w)	$4GP_{1}^{S}(2) $