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Groups with few conjugacy classes
Published online by Cambridge University Press: 31 March 2011
Abstract
Let G be a finite group, let p be a prime divisor of the order of G and let k(G) be the number of conjugacy classes of G. By disregarding at most finitely many non-solvable p-solvable groups G, we have with equality if and only if if is an integer, and CG(Cp) = Cp. This extends earlier work of Héthelyi, Külshammer, Malle and Keller.
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- Copyright © Edinburgh Mathematical Society 2011
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