2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115275We introduce a notion of permutation presentations of modules over finite groups, and completely determine finite groups over which every module has a permutation presentation. To get this result, we prove that every coflasque module over a cyclic p-group is permutation projective.12 pagesGroup TheoryPrimary 20C05; Secondary 16G30, 20J06Permutation presentations of modules over finite groupstext