Show that the number of conjugacy classes in a finite group equals the average of the orders of the centralizers of elements.

Any help would be appreciated!

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- April 10th 2011, 01:41 AMdougNumber of conjugacy classes
Show that the number of conjugacy classes in a finite group equals the average of the orders of the centralizers of elements.

Any help would be appreciated! - April 10th 2011, 02:52 AMtonio