6533b857fe1ef96bd12b467b

RESEARCH PRODUCT

On the automorphism group of the integral group ring of Sk wr Sn

A. Valenti

subject

CombinatoricsAlgebra and Number TheoryInner automorphismHolomorphSymmetric groupMathematical analysisOuter automorphism groupAlternating groupAutomorphismUnit (ring theory)Group ringMathematics

description

Abstract Let G = SkwrSn be the wreath product of two symmetric groups Sk and Sn. We prove that every normalized automorphism θ of the integral group ring Z G can be written in the form θ = γ ° τu, where γ is an automorphism of G and τu denotes the inner automorphism induced by a unit u in Q G.

10.1016/0022-4049(92)90098-zhttp://dx.doi.org/10.1016/0022-4049(92)90098-z