Let G be a group with identity e, and let a ∈ G. If a6 = e but a2 ≠ e, what can we say about |a|? Prove your answer.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.3: Subgroups
Problem 24E: 24. Let be a group and its center. Prove or disprove that if is in, then and are in.
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Let G be a group with identity e, and let a ∈ G. If a6 = e but a2 ≠ e, what can we say about |a|? Prove your answer.

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