Аннотация:
A subgroup $H$ of a group $G$ is called $s$-semipermutable in $G$ if $H$ is permutable with every Sylow $p$-subgroup of $G$ with $(p,|H|)=1$. In this paper, we use $s$-semipermutable subgroups to determine the structure of finite groups. Some of the previous results are generalized.