If N and N G = (e), then N < C(G).
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If N ⊲ and N ∩ G = (e), then N < C(G).
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Let x N and y G be arbitrary elements Since N is normal in G we have yxy N Thus by the ...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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