6533b7dcfe1ef96bd1272147

RESEARCH PRODUCT

Characterizing normal Sylow p-subgroups by character degrees

Gunter MalleGabriel Navarro

subject

Finite groupAlgebra and Number TheoryDegree (graph theory)010102 general mathematicsSylow theoremsPrimitive permutation group01 natural sciencesPrime (order theory)Characters of finite groupsCharacter degrees010101 applied mathematicsCombinatoricsPermutationCharacter (mathematics)0101 mathematicsMathematics

description

Abstract Suppose that G is a finite group, let p be a prime and let P ∈ Syl p ( G ) . We prove that P is normal in G if and only if all the irreducible constituents of the permutation character ( 1 P ) G have degree not divisible by p.

10.1016/j.jalgebra.2012.07.050http://dx.doi.org/10.1016/j.jalgebra.2012.07.050