Algorithmic aspects of units in group rings

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

We describe the main questions connected to torsion subgroups in the unit group of integral group rings of finite groups and algorithmic methods to attack these questions. We then prove the Zassenhaus Conjecture for Amitsur groups and prove that any normalized torsion subgroup in the unit group of an integral group of a Frobenius complement is isomorphic to a subgroup of the group base. Moreover we study the orders of torsion units in integral group rings of finite almost quasisimple groups and the existence of torsion-free normal subgroups of finite index in the unit group.
Original languageEnglish
Title of host publicationAlgorithmic and Experimental Methods in Algebra, Geometry, and Number Theory
EditorsGebhard Böckle, Wolfram Decker, Gunter Malle
PublisherSpringer
Pages1-22
Number of pages22
ISBN (Electronic)978-3-319-70566-8
ISBN (Print)978-3-319-70565-1
DOIs
Publication statusPublished - 25 Mar 2018

Keywords

  • Computational character methods
  • Integral group rings
  • Units
  • Zassenhaus conjectures

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