Finite Almost Simple Groups Whose Gruenberg–Kegel Graphs Coincide with Gruenberg–Kegel Graphs of Solvable Groups

It is shown that the Gruenberg–Kegel graph of a finite almost simple group is equal to the Gruenberg–Kegel graph of some finite solvable group iff it does not contain 3-cocliques. Furthermore, we obtain a description of finite almost simple groups whose Gruenberg–Kegel graphs contain no 3-cocliques....

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Veröffentlicht in:Algebra and logic 2018-06, Vol.57 (2), p.115-129
Hauptverfasser: Gorshkov, I. B., Maslova, N. V.
Format: Artikel
Sprache:eng
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Zusammenfassung:It is shown that the Gruenberg–Kegel graph of a finite almost simple group is equal to the Gruenberg–Kegel graph of some finite solvable group iff it does not contain 3-cocliques. Furthermore, we obtain a description of finite almost simple groups whose Gruenberg–Kegel graphs contain no 3-cocliques.
ISSN:0002-5232
1573-8302
DOI:10.1007/s10469-018-9484-7