For a point group, an incomplete character table is given below with one irreducible representation missing
| E | 2C3 | 3σv | |
| A1 | 1 | 1 | 1 |
| - | - | - | - |
| E | 2 | -1 | 0 |
The Mulliken symbol and characters of the missing representation are
1
\(A_1^{\prime}\) 1 -1 1
2
B1 1 -1 -1
3
A2 1 1 -1
4
B2 1 -1 1
5
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