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December 4th, 2007, 11:39 AM   #1
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inner automorphism

How do i find the inner automorphism groups of
S_2p, A_2p and D_2p, p is a prime ?
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December 7th, 2007, 07:52 AM   #2
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A general theorem claims that Inn(G) ~ G/Z(G) where Z(G) is G center.

Z(G) is not too difficult to find is your groups.
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