H. Mousavi
Department of Mathematics, University of Tabriz' P.O.Box 51666-17766
[ 1 ] - Nilpotent groups with three conjugacy classes of non-normal subgroups
Let $G$ be a finite group and $nu(G)$ denote the number of conjugacy classes of non-normal subgroups of $G$. In this paper, all nilpotent groups $G$ with $nu(G)=3$ are classified.
Co-Authors