On $H_{\sigma }$-permutably embedded and $H_{\sigma }$-subnormaly embedded subgroups of finite groups

Wenbin Guo, Chi Zhang, Alexander N. Skiba +1

Let $G$ be a finite group. Let $\sigma =\{{\sigma }_i|i\in I\}$ be a partition of the set of all primes $\mathbb{P}$ and $n$ an integer. We write $\sigma (n)=\{{\sigma }_i|{\sigma }_i\cap \pi (n)\ne \varnothing \}$…