Two Questions of L. A. Shemetkov on Crit
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A. Ballester-Bolinches; M.D. PΓ©rez-Ramos
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Article
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1996
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Elsevier Science
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English
β 188 KB
Throughout the paper we consider only finite groups. Let α² be a class of groups. A group G is called s-critical for α², or simply α²-critical, if G is not in α² but all proper subgroups of G are in α². w Ε½ .x Ε½ . Following Doerk and Hawkes 3, VII, 6.1 , we denote Crit α² the class s of all α²-critical gr