(2) 3 T群有1个3维表示:S4=3 E 00 100 0-1)(00 0100-10 010 0 100 100100 00 001)(00-1 001)(010 10(1) C2 (2) C2 (3) C2 (1) C3 (2) C3 (3) C3 (4) C3 T群有1个3维表示: S4  3                                                            0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 (4) 3 (3) 3 (2) 3 (1) 3 (3) 2 (2) 2 (1) E C2 C C C C C C y z x