2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125499For the alternating group $A_{6}$ of degree 6, Zassenhaus' conjecture about rational conjugacy of torsion units in integral group rings is confirmed.7 pages, Dedicated to the memory of I. S. LutharRepresentation TheoryRings and Algebras16S34, 16U60 (Primary) 20C05 (Secondary)Zassenhaus conjecture for $A_{6}$text