Finite groups with some CAP-subgroups

A subgroup $A$ of a group $G$ is said to be a CAP-subgroup of $G$ if for any chief factor $H/K$ of $G$, there holds $H\cap A = K\cap A$ or $HA = KA$. We investigate the influence of CAP-subgroups on the structure of finite groups. Some recent results are generalized.

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Veröffentlicht in:Rendiconti - Seminario matematico della Università di Padova 2014-01, Vol.131, p.77-87
Hauptverfasser: Ezquerro, Luis, Li, Xianhua, Li, Yangming
Format: Artikel
Sprache:eng
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Zusammenfassung:A subgroup $A$ of a group $G$ is said to be a CAP-subgroup of $G$ if for any chief factor $H/K$ of $G$, there holds $H\cap A = K\cap A$ or $HA = KA$. We investigate the influence of CAP-subgroups on the structure of finite groups. Some recent results are generalized.
ISSN:0041-8994
2240-2926
DOI:10.4171/RSMUP/131-6