2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/162445The present notes are based on a course given by J-P.Serre at ENSJF in 1978/79 on the elementary properties of finite groups. They were first written down by M.Buhler and C.Goldstein (Montrouge 1979), then revised and put in LaTeX by N.Billerey, O.Dodane and E.Rey.75 pages; in french; course at ENSJF in 1978/79Group Theory20D20; 20D25; 20D10; 20D15text