Vol. 8, No. 1, 2018

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HeLP: a GAP package for torsion units in integral group rings

Andreas Bächle and Leo Margolis

Vol. 8 (2018), 1–9

We briefly summarize the background of the HeLP method for torsion units in group rings and present some functionality of a GAP package implementing it.

integral group ring, torsion units, Zassenhaus conjecture, prime graph question, computer algebra, GAP
Mathematical Subject Classification 2010
Primary: 16U60, 16Z05
Secondary: 16S34, 20C05
Supplementary material

Documentation and examples for {HeLP}

Received: 1 October 2015
Revised: 6 October 2017
Accepted: 18 May 2018
Published: 29 June 2018
Andreas Bächle
Vakgroep Wiskunde
Vrije Universiteit Brussel
Pleinlaan 2
1050 Brussels
Leo Margolis
Fachbereich Mathematik
Universität Stuttgart
Pfaffenwaldring 57
70569 Stuttgart