A characterization of the simple Ree groups 2??4(??2) by their character codegrees

摘要

The codegree of a character x of a finite group G is IG : [GRAPHIC] We show that the set of codegrees of the Ree groups F-2(4)(q(2)) (q(2) = 2(2nC1), n > 1) determines the groups up to isomorphism.

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