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第一步算错了

Posted by xuerdawas at 2003-11-20 22:43:13 on Problem 1286
In Reply To:请教 Posted by:pladene at 2003-11-20 18:17:16

> 这题我用的Burnside定理，当n是偶数的时候算出来不对。以n = 4为例。
> 有（1）四个旋转置换，（2）两个对角线置换和（3）两个对边中点连线的对称置换
> |G| = 8；
> (1) 81 + 3 + 3 + 3 = 90;
~~~~~~~~~~~~~~~~~~~~~~~~~~~
这里应该是81＋3＋3＋9
> (2) 2*3*3*3 = 54;
> (3) 2*3*3 = 18;
> (1)+(2)+(3)
> 90 + 54 + 18 = 162.为什么不是8的倍数啊？

Followed by:

已经搞定了，谢谢 (48) pladene 2003-11-21 10:39:01
Re:第一步算错了 (31) pladene 2003-11-21 12:27:39
Re:第一步算错了 (10) hutu_2000 2009-07-12 12:23:10

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