Published online by Cambridge University Press: 20 November 2018
Let   $A$  be a subgroup of a finite group
 $A$  be a subgroup of a finite group   $G$  and
 $G$  and   $\sum \,=\,\{{{G}_{0}}\,\le \,{{G}_{1}}\,\le \,.\,.\,.\,\le \,{{G}_{n}}\}$  some subgroup series of
 $\sum \,=\,\{{{G}_{0}}\,\le \,{{G}_{1}}\,\le \,.\,.\,.\,\le \,{{G}_{n}}\}$  some subgroup series of   $G$ . Suppose that for each pair
 $G$ . Suppose that for each pair   $\left( K,\,H \right)$  such that
 $\left( K,\,H \right)$  such that   $K$  is a maximal subgroup of
 $K$  is a maximal subgroup of   $H$  and
 $H$  and   ${{G}_{i-1}}\,\le \,K\,<\,H\,\le \,{{G}_{i}}$ , for some i, either
 ${{G}_{i-1}}\,\le \,K\,<\,H\,\le \,{{G}_{i}}$ , for some i, either   $A\,\cap \,H\,=\,A\,\cap \,K\,\text{or}\,\text{AH}\,\text{=}\,\text{AK}$ . Then
 $A\,\cap \,H\,=\,A\,\cap \,K\,\text{or}\,\text{AH}\,\text{=}\,\text{AK}$ . Then   $A$  is said to be
 $A$  is said to be   $\sum$ -embedded in
 $\sum$ -embedded in   $G$ . And
 $G$ . And   $A$  is said to be
 $A$  is said to be   $m$ -embedded in
 $m$ -embedded in   $G$  if
 $G$  if   $G$  has a subnormal subgroup
 $G$  has a subnormal subgroup   $T$  and
 $T$  and   $a\,\{1\,\le \,G\}$ -embedded subgroup
 $a\,\{1\,\le \,G\}$ -embedded subgroup   $C$  in
 $C$  in   $G$  such that
 $G$  such that   $G\,=\,AT$  and
 $G\,=\,AT$  and   $T\cap A\,\le \,C\,\le \,A$ . In this article, some sufficient conditions for a finite group
 $T\cap A\,\le \,C\,\le \,A$ . In this article, some sufficient conditions for a finite group   $G$  to be
 $G$  to be   $p$ -nilpotent are given whenever all subgroups with order
 $p$ -nilpotent are given whenever all subgroups with order   ${{p}^{k}}$  of a Sylow
 ${{p}^{k}}$  of a Sylow   $p$ -subgroup of
 $p$ -subgroup of   $G$  are
 $G$  are   $m$ -embedded for a given positive integer
 $m$ -embedded for a given positive integer   $k$ .
 $k$ .