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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 8E: Show that every subgroup of an abelian group is normal.

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Prove that every subgroup of the quaternion group Q₈ is normal. Deter- mine all the quotient groups.

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