Let N < S 4 consist of all those permutations such that (4) = 4. Is
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Let N < S4 consist of all those permutations σ such that σ(4) = 4. Is N normal inS4?
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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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