Let G be a group and H ≤ G. The subgroup H is normal in its normalizer NG(H), this imply that NG(H) is normal in G.prove or give a counter example
Let G be a group and H ≤ G. The subgroup H is normal in its normalizer NG(H), this imply that NG(H) is normal in G.prove or give a counter example
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.5: Normal Subgroups
Problem 34E
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Let G be a group and H ≤ G. The subgroup H is normal in its normalizer
NG(H), this imply that NG(H) is normal in G.prove or give a counter example
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