P. Guo
Lianyungang Teachers College; School Appl. Sci., Taiyuan Univ. Sci. and Technol., China
Xirong Zhang
Abstract
A finite group $G$ is called an $MSP$-group if all maximal subgroups of the Sylow subgroups of $G$ are Squasinormal in $G$. In this paper, wc give a complete classification of those groups which are not $MSP$-groups but whose proper subgroups are all $MSP$-groups.
