2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126397We characterize the group property of being with infinite conjugacy classes (or icc, in which all conjugacy classes beside 1 are infinite) for extensions of some specific groups ; namely extensions of abelian, centerless, icc, or word hyperbolic groups.Group Theory3 pagesOn extensions of group with infinite conjugacy classes, Itext