On finite groups whose every normal subgroup is a union of the same number of conjugacy classes

zbMath1018.20026MaRDI QIDQ1862669

Heydar Sahraei, Ali Reza Ashrafi

Publication date: 17 June 2003

Published in: Vietnam Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

conjugacy classesfinite groupsnormal subgroups

Mathematics Subject Classification ID

Conjugacy classes for groups (20E45) Finite solvable groups, theory of formations, Schunck classes, Fitting classes, (pi)-length, ranks (20D10) Arithmetic and combinatorial problems involving abstract finite groups (20D60) General structure theorems for groups (20E34)

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On finite groups whose every proper normal subgroup is a union of a given number of conjugacy classes. ⋮ Unnamed Item ⋮ On normal graph of a finite group ⋮ \(X\)-decomposable finite groups for \(X=\{1, m,m + 1, m + 2\}\) ⋮ On 9- and 10-decomposable finite groups. ⋮ On finite \(X\)-decomposable groups for \(X=\{1,2,4\}\). ⋮ Unnamed Item

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