Information of spin space group $P\ce{^{\text{-}1}{6_{3}}}\ce{^{\text{-}1}{m}}\ce{^{1}{c}}\ce{^{\infty m}{1}}$ ( nSSG:159.186.1.1 )

General Positions

The continuously infinite group ^∞1 is omitted.

Coordinates	Seitz symbol
a, b, c | x, y, z	{ 1 ‖ 1 | 0 }
-b, a-b, c | x, y, z	{ 1 ‖ 3+001 | 0 }
-a+b, -a, c | x, y, z	{ 1 ‖ 3-001 | 0 }
-a, -a+b, c+1/2 | x, y, z	{ 1 ‖ m210 | 0 0 1/2 }
a-b, -b, c+1/2 | x, y, z	{ 1 ‖ m120 | 0 0 1/2 }
b, a, c+1/2 | x, y, z	{ 1 ‖ m1-10 | 0 0 1/2 }
a-b, a, c+1/2 | -x, -y, -z	{ -1 ‖ 6+001 | 0 0 1/2 }
-a, -b, c+1/2 | -x, -y, -z	{ -1 ‖ 2001 | 0 0 1/2 }
b, -a+b, c+1/2 | -x, -y, -z	{ -1 ‖ 6-001 | 0 0 1/2 }
-a+b, b, c | -x, -y, -z	{ -1 ‖ m100 | 0 }
-b, -a, c | -x, -y, -z	{ -1 ‖ m110 | 0 }
a, a-b, c | -x, -y, -z	{ -1 ‖ m010 | 0 }
a, b, c | -x, y, z	{ m ‖ 1 | 0 }
-b, a-b, c | -x, y, z	{ m ‖ 3+001 | 0 }
-a+b, -a, c | -x, y, z	{ m ‖ 3-001 | 0 }
-a, -a+b, c+1/2 | -x, y, z	{ m ‖ m210 | 0 0 1/2 }
a-b, -b, c+1/2 | -x, y, z	{ m ‖ m120 | 0 0 1/2 }
b, a, c+1/2 | -x, y, z	{ m ‖ m1-10 | 0 0 1/2 }
a-b, a, c+1/2 | x, -y, -z	{ 2 ‖ 6+001 | 0 0 1/2 }
-a, -b, c+1/2 | x, -y, -z	{ 2 ‖ 2001 | 0 0 1/2 }
b, -a+b, c+1/2 | x, -y, -z	{ 2 ‖ 6-001 | 0 0 1/2 }
-a+b, b, c | x, -y, -z	{ 2 ‖ m100 | 0 }
-b, -a, c | x, -y, -z	{ 2 ‖ m110 | 0 }
a, a-b, c | x, -y, -z	{ 2 ‖ m010 | 0 }

Wyckoff Positions

WP	Site symmetry	Representative
2a	$\ce{^{1}{3}}\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(0,0,c | 0,0,0)
2b	$\ce{^{1}{3}}\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(1/3,2/3,c | 0,0,0)
6c	$.\ce{^{-1}{m}}.\ce{^{\infty m}{1}} $	(a,-a,c | 0,0,0)
12d	$\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:(0,0,1/2)	$\ce{^{-1}{6}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
Γ:(0,0,0)	$\ce{^{-1}{6}}\ce{^{-1}{m}}\ce{^{1}{m}}\ce{^{\infty m}{1}} $
H:(1/3,1/3,1/2)	$\ce{^{-1}{6}}\ce{^{2}{m}}\ce{^{m}{m}}\ce{^{\infty}{1}} $
K:(1/3,1/3,0)	$\ce{^{-1}{6}}\ce{^{2}{m}}\ce{^{m}{m}}\ce{^{\infty}{1}} $
L:(1/2,0,1/2)	$\ce{^{1}{m}}\ce{^{2}{m}}\ce{^{2}{2}}\ce{^{\infty m}{1}} $
M:(1/2,0,0)	$\ce{^{1}{m}}\ce{^{2}{m}}\ce{^{2}{2}}\ce{^{\infty m}{1}} $
Δ:(0,0,w)	$\ce{^{2}{6}}\ce{^{2}{m}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
P:(1/3,1/3,w)	$\ce{^{1}{3}}\ce{^{1}{1}}\ce{^{1}{m}}\ce{^{\infty}{1}} $
Λ:(u,u,0)	$\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{-1}{2}}\ce{^{\infty}{1}} $
Σ:(u,0,0)	$\ce{^{m}{m}}\ce{^{2}{m}}\ce{^{-1}{2}}\ce{^{\infty}{1}} $
Q:(u,u,1/2)	$\ce{^{1}{m}}\ce{^{-1}{m}}\ce{^{-1}{2}}\ce{^{\infty}{1}} $
R:(u,0,1/2)	$\ce{^{m}{m}}\ce{^{2}{m}}\ce{^{-1}{2}}\ce{^{\infty}{1}} $
U:(1/2,0,w)	$\ce{^{1}{m}}\ce{^{2}{m}}\ce{^{2}{2}}\ce{^{\infty}{1}} $
B:(u,v,0)	$\ce{^{-1}{2}}\ce{^{\infty}{1}} $
C:(u,u,w)	$\ce{^{1}{m}}\ce{^{\infty}{1}} $
D:(u,0,w)	$\ce{^{2}{m}}\ce{^{\infty}{1}} $
E:(u,v,1/2)	$\ce{^{-1}{2}}\ce{^{\infty}{1}} $
GP:(u,v,w)	$\ce{^{1}{1}}\ce{^{\infty}{1}}$

Spin Brillouin Zone

Band Representations (Magnon)

12d

k-vector	k-vector-G↑	A↑G(12)
A:(0,0,1/2)	A:(0,0,1/2)	$A_{1}^{S}A_{2}^{S}(4)⊕A_{3}^{S}A_{3}^{S}(8) $
Γ:(0,0,0)	Γ:(0,0,0)	$Γ_{1}^{S}(2)⊕Γ_{2}^{S}(2)⊕2Γ_{3}^{S}(4) $
H:(1/3,1/3,1/2)	H:(1/3,1/3,1/2)	$H_{1}^{S}(2)⊕H_{2}^{S}(2)⊕2H_{3}^{S}(4) $
K:(1/3,1/3,0)	K:(1/3,1/3,0)	$K_{1}^{S}(2)⊕K_{2}^{S}(2)⊕2K_{3}^{S}(4) $
L:(1/2,0,1/2)	L:(1/2,0,1/2)	$3 L_{1}^{S}L_{2}^{S}(4) $
M:(1/2,0,0)	M:(1/2,0,0)	$3 M_{1}^{S}(2)⊕3 M_{2}^{S}(2) $
B:(u,v,0)	B:(u,v,0)	$6B_{1}^{S}(2) $
C:(u,u,w)	C:(u,u,w)	$6 C_{1}^{S}(1)⊕6 C_{2}^{S}(1)$	Spin Splitting
D:(u,0,w)	D:(u,0,w)	$6D_{1}^{S}(2) $
Δ:(0,0,w)	Δ:(0,0,w)	$Δ_{1}^{S}(2)⊕Δ_{2}^{S}(2)⊕2Δ_{3}^{S}(4) $
E:(u,v,1/2)	E:(u,v,1/2)	$6E_{1}^{S}(2) $
GP:(u,v,w)	GP:(u,v,w)	$12GP_{1}^{S}(1)$	Spin Splitting
Λ:(u,u,0)	Λ:(u,u,0)	$3 Λ_{1}^{S}(2)⊕3 Λ_{2}^{S}(2) $
P:(1/3,1/3,w)	P:(1/3,1/3,w)	$2 P_{1}^{S}(1)⊕2 P_{2}^{S}(1)⊕4P_{3}^{S}(2)$	Spin Splitting
Q:(u,u,1/2)	Q:(u,u,1/2)	$3 Q_{1}^{S}(2)⊕3 Q_{2}^{S}(2) $
R:(u,0,1/2)	R:(u,0,1/2)	$3 R_{1}^{S}R_{1}^{S}(4) $
Σ:(u,0,0)	Σ:(u,0,0)	$6Σ_{1}^{S}(2) $
U:(1/2,0,w)	U:(1/2,0,w)	$3 U_{1}^{S}(2)⊕3 U_{2}^{S}(2) $