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Elements Of Modern Algebra

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 27E: 27. Suppose is a normal subgroup of order of a group . Prove that is contained in , the center of...

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Subgroup H of a group G is a normal subgroup of G if and only if the product of two
right cosets
of H in G is again a right coset of H in G.

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