On CISE-normal subgroups of finite groups

Authors: YONG XU, TAO ZHAO, XIANHUA LI

Abstract: A generalized normality CISE of subgroups of a finite group is introduced. Let F be a saturated formation containing the class of all supersolvable groups. We give a characterization of F by using CISE-normality of subgroups.

Keywords: Formation, supersolvable subgroup, CISE-normal subgroup

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