Twisted group algebras and Clifford extensions

DOI10.1007/BF01235329zbMath0442.20008MaRDI QIDQ1143485

Peter Schmid

Publication date: 1980

Published in: Archiv der Mathematik (Search for Journal in Brave)

zbMATH Keywords

decomposition numbersindecomposable moduleClifford's theoremCartan numberintertwining number

Mathematics Subject Classification ID

Ordinary representations and characters (20C15) Modular representations and characters (20C20) Homological methods in group theory (20J05) Integral representations of finite groups (20C10) Projective representations and multipliers (20C25)

Related Items

Representation groups of characters, Extending irreducible representations of normal subgroups, Clifford theory of simple modules, On the Clifford theory of blocks of characters, Glauberman correspondence of \(p\)-blocks of finite groups, Lifting modular representations of p-solvable groups, Extending group modules in a relatively prime case, Quotients, Cartan matrices and Morita equivalent blocks, Invariant lattices and modular decomposition of irreducible representations

Cites Work

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• Extensions of modular representations for relatively-prime operator groups
• Isomorphic blocks
• Remarks on isomorphic blocks
• \(k\)-mersions of manifolds
• Isomorphisms of Clifford extensions
• The analysis of representations induced from a normal subgroup
• Über die \(\Phi\)-Untergruppe endlicher Gruppen
• Projective Modular Representations of Finite Groups
• Twisted group algebras and their representations