Extensions of group representations from a normal subgroup

DOI10.1080/00927878308822855zbMath0508.20002OpenAlexW2073207903MaRDI QIDQ4745980

Jacques Thévenaz

Publication date: 1983

Published in: Communications in Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00927878308822855

zbMATH Keywords

Clifford theoryindecomposable modulesSchur multiplierinduced modulesvanishing of cohomologylifting idempotentsregular group actionextension theory of modulesprojective crossed representations

Mathematics Subject Classification ID

Ordinary representations and characters (20C15) Group rings of finite groups and their modules (group-theoretic aspects) (20C05) Homological methods in group theory (20J05) Projective representations and multipliers (20C25)

Related Items (5)

Representations of finite groups ⋮ Quasi-isolated blocks and the Alperin–McKay conjecture ⋮ Integration of modules. I: Stability ⋮ Étendre les représentations autoduales. (Extending the selfdual representations) ⋮ Extending group modules in a relatively prime case

Cites Work

• Extensions of group representations over arbitrary fields
• Isomorphisms of Clifford extensions
• Group Characters and Normal Hall Subgroups
• Unnamed Item

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