Show that Z2 is the only group that has exactly two conjugacy classes
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.5: Isomorphisms
Problem 34E
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Show that Z2 is the only group that has exactly two conjugacy classes
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Step 1
Here we know that, .
To show that is the only group that has exactly two conjugacy classes.
Conjugacy class of an element contains all conjugates of
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