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Irreducible corepresentations of the Magnetic Point Group 4'/m (N. 11.3.37)


Table of characters of the unitary symmetry operations


(1)
(2)
(3)
C1
C2
C3
C4
C5
C6
C7
C8
GM1+
Ag
GM1+
1
1
1
1
1
1
1
1
GM1-
Au
GM1-
1
1
-1
-1
1
1
-1
-1
GM2+GM2+
BgBg
GM2+GM2+
2
-2
2
-2
2
-2
2
-2
GM2-GM2-
BuBu
GM2-GM2-
2
-2
-2
2
2
-2
-2
2
GM4+GM3+
2Eg1Eg
GM3GM4
2
0
2
0
-2
0
-2
0
GM4-GM3-
2Eu1Eu
GM5GM6
2
0
-2
0
-2
0
2
0
The notation used in this table is an extension to corepresentations of the following notations used for irreducible representations:
(1): Bradley CJ and Cracknell AP, (1972) The Mathematical Theory of Symmetry in Solids. Oxford: Clarendon Press.
(2): Bradley CJ and Cracknell AP, (1972) The Mathematical Theory of Symmetry in Solids. Oxford: Clarendon Press, based on Mulliken RS (1933) Phys. Rev. 43, 279-302.
(3): A. P. Cracknell, B. L. Davies, S. C. Miller and W. F. Love (1979) Kronecher Product Tables, 1, General Introduction and Tables of Irreducible Representations of Space groups. New York: IFI/Plenum, for the GM point.

Lists of unitary symmetry operations in the conjugacy classes

C1: 1
C2: 2001
C31
C4: m001
C5d1
C6d2001
C7d1
C8dm001

Matrices of the representations of the group

The antiunitary operations are written in red color
NMatrix presentationSeitz symbolGM1+GM1-GM2+GM2+GM2-GM2-GM3GM4GM5GM6
1
(
1 0 0
0 1 0
0 0 1
)
(
1 0
0 1
)
1
1
1
(
1 0
0 1
)
(
1 0
0 1
)
(
1 0
0 1
)
(
1 0
0 1
)
2
(
-1 0 0
0 -1 0
0 0 1
)
(
-i 0
0 i
)
2001
1
1
(
-1 0
0 -1
)
(
-1 0
0 -1
)
(
-i 0
0 i
)
(
-i 0
0 i
)
3
(
-1 0 0
0 -1 0
0 0 -1
)
(
1 0
0 1
)
1
1
-1
(
1 0
0 1
)
(
-1 0
0 -1
)
(
1 0
0 1
)
(
-1 0
0 -1
)
4
(
1 0 0
0 1 0
0 0 -1
)
(
-i 0
0 i
)
m001
1
-1
(
-1 0
0 -1
)
(
1 0
0 1
)
(
-i 0
0 i
)
(
i 0
0 -i
)
5
(
1 0 0
0 1 0
0 0 1
)
(
-1 0
0 -1
)
d1
1
1
(
1 0
0 1
)
(
1 0
0 1
)
(
-1 0
0 -1
)
(
-1 0
0 -1
)
6
(
-1 0 0
0 -1 0
0 0 1
)
(
i 0
0 -i
)
d2001
1
1
(
-1 0
0 -1
)
(
-1 0
0 -1
)
(
i 0
0 -i
)
(
i 0
0 -i
)
7
(
-1 0 0
0 -1 0
0 0 -1
)
(
-1 0
0 -1
)
d1
1
-1
(
1 0
0 1
)
(
-1 0
0 -1
)
(
-1 0
0 -1
)
(
1 0
0 1
)
8
(
1 0 0
0 1 0
0 0 -1
)
(
i 0
0 -i
)
dm001
1
-1
(
-1 0
0 -1
)
(
1 0
0 1
)
(
i 0
0 -i
)
(
-i 0
0 i
)
9
(
0 -1 0
1 0 0
0 0 1
)
(
(1-i)2/2 0
0 (1+i)2/2
)
4'+001
1
1
(
0 -1
1 0
)
(
0 -1
1 0
)
(
0 i
1 0
)
(
0 i
1 0
)
10
(
0 1 0
-1 0 0
0 0 1
)
(
(1+i)2/2 0
0 (1-i)2/2
)
4'-001
1
1
(
0 1
-1 0
)
(
0 1
-1 0
)
(
0 -1
-i 0
)
(
0 -1
-i 0
)
11
(
0 1 0
-1 0 0
0 0 -1
)
(
(1-i)2/2 0
0 (1+i)2/2
)
4'+001
1
-1
(
0 -1
1 0
)
(
0 1
-1 0
)
(
0 i
1 0
)
(
0 -i
-1 0
)
12
(
0 -1 0
1 0 0
0 0 -1
)
(
(1+i)2/2 0
0 (1-i)2/2
)
4'-001
1
-1
(
0 1
-1 0
)
(
0 -1
1 0
)
(
0 -1
-i 0
)
(
0 1
i 0
)
13
(
0 -1 0
1 0 0
0 0 1
)
(
-(1-i)2/2 0
0 -(1+i)2/2
)
d4'+001
1
1
(
0 -1
1 0
)
(
0 -1
1 0
)
(
0 -i
-1 0
)
(
0 -i
-1 0
)
14
(
0 1 0
-1 0 0
0 0 1
)
(
-(1+i)2/2 0
0 -(1-i)2/2
)
d4'-001
1
1
(
0 1
-1 0
)
(
0 1
-1 0
)
(
0 1
i 0
)
(
0 1
i 0
)
15
(
0 1 0
-1 0 0
0 0 -1
)
(
-(1-i)2/2 0
0 -(1+i)2/2
)
d4'+001
1
-1
(
0 -1
1 0
)
(
0 1
-1 0
)
(
0 -i
-1 0
)
(
0 i
1 0
)
16
(
0 -1 0
1 0 0
0 0 -1
)
(
-(1+i)2/2 0
0 -(1-i)2/2
)
d4'-001
1
-1
(
0 1
-1 0
)
(
0 -1
1 0
)
(
0 1
i 0
)
(
0 -1
-i 0
)
k-Subgroupsmag
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