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A finite group $P$ is said to be \emph{primary} if $|P|=p^{a}$ for some prime$p$. We say a primary subgroup $P$ of a finite group $G$ satisfies the\emph{Frobenius normalizer condition} in $G$ if $N_{G}(P)/C_{G}(P)$ is a$p$-group provided $P$ is $p$-group. In this paper, we determine the structureof a finite group $G$ in which every non-subnormal primary subgroup satisfiesthe Frobenius normalized condition. In particular, we prove that if everynon-normal primary subgroup of $G$ satisfies the Frobenius condition, then$G/F(G)$ is cyclic and every maximal non-normal nilpotent subgroup $U$ of $G$with $F(G)U=G$ is a Carter subgroup of $G$.

Finite groups with Frobenius normalizer condition for non-normal primary subgroups