2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60474The aim of this note is to characterize a K3 surface of Klein-Mukai type in terms of its symmetry.18 pages, AMS TeX, some gaps are repaired and added in proof and a few more references are addedAlgebraic GeometryThe Simple Group of Order 168 and K3 Surfacestext