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Title: Soluble groups with few orbits under automorphisms
Authors: Bastos Júnior, Raimundo de Araújo
Dantas, Alex Carrazedo
Melo, Emerson Ferreira de
Assunto:: Extensões
Grupos solúveis
Issue Date: 17-Mar-2020
Publisher: Springer
Citation: BASTOS, Raimundo; DANTAS, Alex C.; MELO, Emerson de. Soluble groups with few orbits under automorphisms. Geometriae Dedicata, v. 209, p. 119-123, 2020. DOI: Disponível em:
Abstract: Let G be a group. The orbits of the natural action of Aut(G) on G are called “automorphism orbits” of G, and the number of automorphism orbits of G is denoted by ω(G). We prove that if G is a soluble group of finite rank such that ω(G)<∞, then G contains a torsion-free radicable nilpotent characteristic subgroup K such that G=K⋊H, where H is a finite group. Moreover, we classify the mixed order soluble groups of finite rank such that ω(G)=3.
Appears in Collections:MAT - Artigos publicados em periódicos

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