If His a cyclic subgroup of a group G and His normal in G, then every subgroup
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If His a cyclic subgroup of a group G and His normal in G, then every subgroup of His normal in G. [Compare Exercise 10.]
Exercise 10
Find subgroups Hand K of D4* such that H ◁ Kand K ◁ D4*, but His not normal in D4 *.
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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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