Let H be a subgroup of G. The centralizer of H is the set C G (H)
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Let H be a subgroup of G. The centralizer of H is the set CG(H) = {g ϵ G| hg = gh for all h ϵ H}. Show that CG(H) is a subgroup of NG (H).
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To show that the centralizer of H denoted as CGH is a subgroup of NGH we need to verify that CGH sat...View the full answer
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Related Book For 
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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