Frattini extensions of finite groups and formations¹

Abstract

Click to increase image sizeClick to decrease image size 1This article is an account of a lecture deducatedto Prof. W.Gaschütz on the occasion of his 75th birthday and delivered at "Mathematisches Seminar der Universität Kiel" in June 1995 though main ideas ofit appeared in January 1994 during my stay in Kiel. I am very grateful to my colleagues in Kiel for warm hosptality and express my gratitude to Prof. W.Gaschüz for inspiring conversation and contacts. Notes 1This article is an account of a lecture deducatedto Prof. W.Gaschütz on the occasion of his 75th birthday and delivered at "Mathematisches Seminar der Universität Kiel" in June 1995 though main ideas ofit appeared in January 1994 during my stay in Kiel. I am very grateful to my colleagues in Kiel for warm hosptality and express my gratitude to Prof. W.Gaschüz for inspiring conversation and contacts.