On the Prime Graph Question for Integral Group Rings of 4-Primary Groups II

Andreas Bächle, Leo Margolis

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10 Citaten (Scopus)

Samenvatting

In this article the study of the Prime Graph Question for the integral group ring of almost simple groups which have an order divisible by exactly 4 different primes is continued. We provide more details on the recently developed “lattice method” which involves the calculation of Littlewood-Richardson coefficients. We apply the method obtaining results complementary to those previously obtained using the HeLP-method. In particular the “lattice method” is applied to infinite series of groups for the first time. We also prove the Zassenhaus Conjecture for four more simple groups. Furthermore we show that the Prime Graph Question has a positive answer around the vertex 3 provided the Sylow 3-subgroup is of order 3.
Originele taal-2English
Pagina's (van-tot)437-457
TijdschriftAlgebras and Representation Theory
Volume22
Nummer van het tijdschrift2
Vroegere onlinedatum12 mrt 2018
DOI's
StatusPublished - 15 apr 2019

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