Information of spin space group $I\ce{^{1}{4_{1}}}\ce{^{1}{m}}\ce{^{1}{d}}\ce{^{\infty m}{1}}$ ( nSSG:109.109.1.1 )

General Positions

The continuously infinite group ^∞1 is omitted.

Coordinates	Seitz symbol
a, b, c | x, y, z	{ 1 ‖ 1 | 0 }
-b, a+1/2, c+1/4 | x, y, z	{ 1 ‖ 4+001 | 0 1/2 1/4 }
b, -a+1/2, c+1/4 | x, y, z	{ 1 ‖ 4-001 | 0 1/2 1/4 }
-a, -b, c | x, y, z	{ 1 ‖ 2001 | 0 }
-a, b, c | x, y, z	{ 1 ‖ m100 | 0 }
a, -b, c | x, y, z	{ 1 ‖ m010 | 0 }
-b, -a+1/2, c+1/4 | x, y, z	{ 1 ‖ m110 | 0 1/2 1/4 }
b, a+1/2, c+1/4 | x, y, z	{ 1 ‖ m1-10 | 0 1/2 1/4 }
a+1/2, b+1/2, c+1/2 | x, y, z	{ 1 ‖ 1 | 1/2 1/2 1/2 }
-b+1/2, a, c+3/4 | x, y, z	{ 1 ‖ 4+001 | 1/2 0 3/4 }
b+1/2, -a, c+3/4 | x, y, z	{ 1 ‖ 4-001 | 1/2 0 3/4 }
-a+1/2, -b+1/2, c+1/2 | x, y, z	{ 1 ‖ 2001 | 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+1/2, c+1/2 | x, y, z	{ 1 ‖ m010 | 1/2 1/2 1/2 }
-b+1/2, -a, c+3/4 | x, y, z	{ 1 ‖ m110 | 1/2 0 3/4 }
b+1/2, a, c+3/4 | x, y, z	{ 1 ‖ m1-10 | 1/2 0 3/4 }
a, b, c | -x, y, z	{ m ‖ 1 | 0 }
-b, a+1/2, c+1/4 | -x, y, z	{ m ‖ 4+001 | 0 1/2 1/4 }
b, -a+1/2, c+1/4 | -x, y, z	{ m ‖ 4-001 | 0 1/2 1/4 }
-a, -b, c | -x, y, z	{ m ‖ 2001 | 0 }
-a, b, c | -x, y, z	{ m ‖ m100 | 0 }
a, -b, c | -x, y, z	{ m ‖ m010 | 0 }
-b, -a+1/2, c+1/4 | -x, y, z	{ m ‖ m110 | 0 1/2 1/4 }
b, a+1/2, c+1/4 | -x, y, z	{ m ‖ m1-10 | 0 1/2 1/4 }
a+1/2, b+1/2, c+1/2 | -x, y, z	{ m ‖ 1 | 1/2 1/2 1/2 }
-b+1/2, a, c+3/4 | -x, y, z	{ m ‖ 4+001 | 1/2 0 3/4 }
b+1/2, -a, c+3/4 | -x, y, z	{ m ‖ 4-001 | 1/2 0 3/4 }
-a+1/2, -b+1/2, c+1/2 | -x, y, z	{ m ‖ 2001 | 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+1/2, c+1/2 | -x, y, z	{ m ‖ m010 | 1/2 1/2 1/2 }
-b+1/2, -a, c+3/4 | -x, y, z	{ m ‖ m110 | 1/2 0 3/4 }
b+1/2, a, c+3/4 | -x, y, z	{ m ‖ m1-10 | 1/2 0 3/4 }

Wyckoff Positions

WP	Site symmetry	Representative
4a	$\ce{^{1}{2}}\ce{^{1}{m}}\ce{^{1}{m}}.\ce{^{\infty m}{1}} $	(0,0,c |0,0,z)
8b	$.\ce{^{1}{m}}.\ce{^{\infty m}{1}} $	(0,b,c |0,0,z)
16c	$\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}{4}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
M:(1,1,1)	$\ce{^{1}{4}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
P:(1/2,1/2,1/2)	$\ce{^{m}{4}}\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
X:(1/2,1/2,0)	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{2}}\ce{^{\infty m}{1}} $
N:(1/2,0,1/2)	$\ce{^{1}{m}}\ce{^{\infty m}{1}} $
Λ:(0,0,w)	$\ce{^{1}{4}}\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
Δ:(u,u,0)	$\ce{^{1}{m}}\ce{^{m}{m}}\ce{^{m}{2}}\ce{^{\infty}{1}} $
Q:(1/2,v,1/2)	$\ce{^{m}{m}}\ce{^{\infty}{1}} $
Σ:(u,0,0)	$\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{m}{2}}\ce{^{\infty}{1}} $
W:(1/2,1/2,w)	$\ce{^{1}{m}}\ce{^{1}{m}}\ce{^{1}{2}}\ce{^{\infty}{1}} $
Y:(u,1-u,0)	$\ce{^{m}{m}}\ce{^{1}{m}}\ce{^{m}{2}}\ce{^{\infty}{1}} $
A:(u,u,w)	$\ce{^{1}{m}}\ce{^{\infty}{1}} $
B:(u,0,w)	$\ce{^{1}{m}}\ce{^{\infty}{1}} $
C:(u,v,0)	$\ce{^{m}{2}}\ce{^{\infty}{1}} $
GP:(u,v,w)	$\ce{^{1}{1}}\ce{^{\infty}{1}} $

Spin Brillouin Zone

4/mmmI

Band Representations (Magnon)

4a

k-vector	A1↑G(2)
Γ:(0,0,0)	$Γ_{1}^{S}(1)⊕Γ_{2}^{S}(1) $
M:(1,1,1)	$M_{1}^{S}M_{2}^{S}(2) $
P:(1/2,1/2,1/2)	$P_{1}^{S}(2) $
X:(1/2,1/2,0)	$X_{1}^{S}(2) $
N:(1/2,0,1/2)	$2N_{1}^{S}(1) $
Λ:(0,0,w)	$Λ_{1}^{S}(1)⊕Λ_{2}^{S}(1) $
Δ:(u,u,0)	$Δ_{1}^{S}(1)⊕Δ_{2}^{S}(1) $
Q:(1/2,v,1/2)	$2Q_{1}^{S}(1) $
Σ:(u,0,0)	$2Σ_{1}^{S}(1) $
W:(1/2,1/2,w)	$W_{1}^{S}(2) $
Y:(u,1-u,0)	$Y_{1}^{S}Y_{2}^{S}(2) $
A:(u,u,w)	$A_{1}^{S}(1)⊕A_{2}^{S}(1) $
B:(u,0,w)	$2B_{1}^{S}(1) $
C:(u,v,0)	$2C_{1}^{S}(1) $
GP:(u,v,w)	$2GP_{1}^{S}(1) $

8b

k-vector	A'↑G(4)
Γ:(0,0,0)	$Γ_{1}^{S}(1)⊕Γ_{2}^{S}(1)⊕Γ_{5}^{S}(2) $
M:(1,1,1)	$M_{1}^{S}M_{2}^{S}(2)⊕M_{5}^{S}(2) $
P:(1/2,1/2,1/2)	$2P_{1}^{S}(2) $
X:(1/2,1/2,0)	$2X_{1}^{S}(2) $
N:(1/2,0,1/2)	$3N_{1}^{S}(1)⊕N_{2}^{S}(1) $
Λ:(0,0,w)	$Λ_{1}^{S}(1)⊕Λ_{2}^{S}(1)⊕Λ_{5}^{S}(2) $
Δ:(u,u,0)	$2Δ_{1}^{S}(1)⊕2Δ_{2}^{S}(1) $
Q:(1/2,v,1/2)	$4Q_{1}^{S}(1) $
Σ:(u,0,0)	$3Σ_{1}^{S}(1)⊕Σ_{2}^{S}(1) $
W:(1/2,1/2,w)	$2W_{1}^{S}(2) $
Y:(u,1-u,0)	$2Y_{1}^{S}Y_{2}^{S}(2) $
A:(u,u,w)	$2A_{1}^{S}(1)⊕2A_{2}^{S}(1) $
B:(u,0,w)	$3B_{1}^{S}(1)⊕B_{2}^{S}(1) $
C:(u,v,0)	$4C_{1}^{S}(1) $
GP:(u,v,w)	$4GP_{1}^{S}(1) $

16c

k-vector	A↑G(8)
Γ:(0,0,0)	$Γ_{1}^{S}(1)⊕Γ_{2}^{S}(1)⊕Γ_{3}^{S}(1)⊕Γ_{4}^{S}(1)⊕2Γ_{5}^{S}(2) $
M:(1,1,1)	$M_{1}^{S}M_{2}^{S}(2)⊕M_{3}^{S}M_{4}^{S}(2)⊕2M_{5}^{S}(2) $
P:(1/2,1/2,1/2)	$4P_{1}^{S}(2) $
X:(1/2,1/2,0)	$4X_{1}^{S}(2) $
N:(1/2,0,1/2)	$4N_{1}^{S}(1)⊕4N_{2}^{S}(1) $
Λ:(0,0,w)	$Λ_{1}^{S}(1)⊕Λ_{2}^{S}(1)⊕Λ_{3}^{S}(1)⊕Λ_{4}^{S}(1)⊕2Λ_{5}^{S}(2) $
Δ:(u,u,0)	$4Δ_{1}^{S}(1)⊕4Δ_{2}^{S}(1) $
Q:(1/2,v,1/2)	$8Q_{1}^{S}(1) $
Σ:(u,0,0)	$4Σ_{1}^{S}(1)⊕4Σ_{2}^{S}(1) $
W:(1/2,1/2,w)	$4W_{1}^{S}(2) $
Y:(u,1-u,0)	$4Y_{1}^{S}Y_{2}^{S}(2) $
A:(u,u,w)	$4A_{1}^{S}(1)⊕4A_{2}^{S}(1) $
B:(u,0,w)	$4B_{1}^{S}(1)⊕4B_{2}^{S}(1) $
C:(u,v,0)	$8C_{1}^{S}(1) $
GP:(u,v,w)	$8GP_{1}^{S}(1) $