Abstract: | Let ({ mathcal {F}}) be a saturated formation and G a finite group such that ({N_{G} (H^{mathcal {F}})/C_{G} (H^{mathcal {F}})cong Inn(H^{mathcal {F}})}) for every subgroup H of G. If the minimal non-({ mathcal {F}})-group is soluble, then ({G in mathcal {F}}). |