Reduction formula for point group D4h
Characters of input representation
E |
2C4 (z) |
C2 |
2C'2 |
2C''2 |
i |
2S4 |
h |
2v |
2d |
2 |
-2 |
2 |
0 |
0 |
0 |
0 |
0 |
2 |
-2 |
Decomposition into Irreducible representations
A1g |
A2g |
B1g |
B2g |
Eg |
A1u |
A2u |
B1u |
B2u |
Eu |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
Symmetric Powers of Representation
Characters of symmetric powers
Tensor Order |
E |
2C4 (z) |
C2 |
2C'2 |
2C''2 |
i |
2S4 |
h |
2v |
2d |
1 |
2 |
-2 |
2 |
0 |
0 |
0 |
0 |
0 |
2 |
-2 |
2 |
3 |
3 |
3 |
1 |
1 |
1 |
1 |
1 |
3 |
3 |
3 |
4 |
-4 |
4 |
0 |
0 |
0 |
0 |
0 |
4 |
-4 |
4 |
5 |
5 |
5 |
1 |
1 |
1 |
1 |
1 |
5 |
5 |
5 |
6 |
-6 |
6 |
0 |
0 |
0 |
0 |
0 |
6 |
-6 |
6 |
7 |
7 |
7 |
1 |
1 |
1 |
1 |
1 |
7 |
7 |
Decomposition into Irreducible representations
Tensor Order |
A1g |
A2g |
B1g |
B2g |
Eg |
A1u |
A2u |
B1u |
B2u |
Eu |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
3 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
4 |
3 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
5 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
6 |
4 |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
Antisymmetric Powers of Representation
Characters of antisymmetric powers
Tensor Order |
E |
2C4 (z) |
C2 |
2C'2 |
2C''2 |
i |
2S4 |
h |
2v |
2d |
1 | 2 |
-2 |
2 |
0 |
0 |
0 |
0 |
0 |
2 |
-2 |
2*
| 1 |
1 |
1 |
-1 |
-1 |
-1 |
-1 |
-1 |
1 |
1 |
3**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
5
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
6
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
* Tensor rank equal tensor order
** Tensor rank less than tensor order
Decomposition into Irreducible representations
Tensor Order |
A1g |
A2g |
B1g |
B2g |
Eg |
A1u |
A2u |
B1u |
B2u |
Eu |
1
| 0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2
*
| 0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
3
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
4
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
5
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
6
**
| 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
* Tensor rank equal tensor order
** Tensor rank less than tensor order
Last update November, 13th 2023 by A. Gelessus, Impressum, Datenschutzerklärung/DataPrivacyStatement