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Sottogruppi massimali dei sottogruppi di Sylow e complementi normali

Anna Luisa Gilotti, Luigi Serena (1984)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

In this Note conditions for the existence of a normal p -complement and for the supersolubility of a finite group are given.

Su una classe di gruppi finiti supersolubili

Alma D’Aniello (1984)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

In this paper we study the class of finite groups G whose nilpotent residual is a Hall subgroup having all subgroups normal in G .

Subnormal, permutable, and embedded subgroups in finite groups

James Beidleman, Mathew Ragland (2011)

Open Mathematics

The purpose of this paper is to study the subgroup embedding properties of S-semipermutability, semipermutability, and seminormality. Here we say H is S-semipermutable (resp. semipermutable) in a group Gif H permutes which each Sylow subgroup (resp. subgroup) of G whose order is relatively prime to that of H. We say H is seminormal in a group G if H is normalized by subgroups of G whose order is relatively prime to that of H. In particular, we establish that a seminormal p-subgroup is subnormal....

Sui gruppi finiti col rango di Cipolla uguale a uno

Guido Zappa (1998)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

Sia G un gruppo finito non abeliano e Z il suo centro. Sia I l’insieme parzialmente ordinato dei centralizzanti di G Z . Si dice che G ha «rango 1 » se la lunghezza di I è 0 , e si dice che esso è un « M -gruppo» se ogni H I è abeliano. Ogni M -gruppo ha rango 1 . Schmidt [10] ha classificato gli M -gruppi. In questa Nota si classificano i gruppi di rango 1 che non sono M -gruppi.

The influence of weakly-supplemented subgroups on the structure of finite groups

Qingjun Kong, Qingfeng Liu (2014)

Czechoslovak Mathematical Journal

A subgroup H of a finite group G is weakly-supplemented in G if there exists a proper subgroup K of G such that G = H K . In the paper it is proved that a finite group G is p -nilpotent provided p is the smallest prime number dividing the order of G and every minimal subgroup of P G ' is weakly-supplemented in N G ( P ) , where P is a Sylow p -subgroup of G . As applications, some interesting results with weakly-supplemented minimal subgroups of P G ' are obtained.

The superfocal subgroup

Marian Deaconescu (1984)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

Nel presente lavoro vengono dimostrati teoremi d'esistenza di p -complementi normali nei gruppi finiti.

Currently displaying 81 – 100 of 130