Normalizer

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August 13th 2008, 10:33 AM
dimuk

Normalizer

Can u give me the definition of the $N_{Aut(A)}(B)$ where B is a subgrroup of A.
August 13th 2008, 06:29 PM
JaneBennet

$N_A(B)=\{a\in A:aBa^{-1}=B\}$
August 13th 2008, 09:53 PM
dimuk

normlizer

Yes this is the normalizer of the groups A and B. But I want to know the normalizer of automorphism of A in B.

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