On $p$-Cover-Avoid and $S$-Quasinormally Embedded Subgroups in Finite Groups

Abstract:

      Let $G$ be a finite group, $p$ the smallest prime dividing the order of $G$ and $P$ a Sylow $p$-subgroup of $G$. If $d$ is the smallest generator number of $P$, then there exist maximal subgroups $P_1$, $P_2$,\,$\ldots$\,, $P_d$ of $P$, denoted by ${\cal M}_d(P)=\lbrace P_1,\ldots, P_d\rbrace$, such that $\bigcap_{i=1}^d P_i=\Phi(P)$, the Frattini subgroup of $P$. In this paper, we will show that if each member of some fixed ${\cal M}_d(P)$ is either $p$-cover-avoid or $S$-quasinormally embedded in $G$, then $G$ is $p$-nilpotent. As applications, some further results are obtained.