Derived Length and Products of Conjugacy Classes

Document Type

Article

Publication Date

9-19-2008

Abstract

Let G be a supersolvable group and A be a conjugacy class of G. Observe that for some integer η(AA −1) > 0, AA −1 = {ab −1: a, bA} is the union of η(AA −1) distinct conjugacy classes of G. Set C G (A) = {gG: a g = a for all aA. Then the derived length of G/C G (A) is less or equal than 2η(AA −1) − 1.

Publication Title

Israel Journal of Mathematics

Volume

168

Issue

1

First Page

93

Last Page

100

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