2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/129294We consider the Zassenhaus conjecture for the normalized unit group of the integral group ring of the McLaughlin sporadic group McL. As a consequence, we confirm for this group the Kimmerle's conjecture on prime graphs.8 pagesRings and AlgebrasGroup Theory16S34; 20C05; 20D08text