2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/229634We show that 3^7 is the smallest order of a non-trivial odd order group which occurs as the full automorphism group of a finite group.11 pages, no figures. Manuscript accepted for publicationGroup Theory20D45, 20D20Minimal odd order automorphism groupstext