Matrices for finite group representations that respect Galois automorphisms

DOI10.1007/s00013-023-01963-xarXiv2306.06280MaRDI QIDQ6130273

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Publication date: 2 April 2024

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

Full work available at URL: https://arxiv.org/abs/2306.06280

zbMATH Keywords

characterBrauer groupSchur indexGalois automorphismHilbert theorem 90

Mathematics Subject Classification ID

Ordinary representations and characters (20C15)

Cites Work

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• Minimizing representations over number fields. II: Computations in the Brauer group.
• The Schur index of projective characters of symmetric and alternating groups
• Clifford theory for cyclic quotient groups
• Writing representations over proper division subrings.
• Writing projective representations over subfields.
• Writing representations over minimal fields

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