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Sylow normalizers and Galois action on characters

Connections for Women: Group Representation Theory and Applications February 01, 2018 - February 02, 2018

February 01, 2018 (02:15 PM PST - 03:00 PM PST)
Speaker(s): Carolina Vallejo Rodríguez (Università di Firenze)
Location: MSRI: Simons Auditorium
  • Navarro conjecture

  • self-normalizing Sylow

  • principal blocks

  • p-nilpotent Sylow normalizer

Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification No Secondary AMS MSC



The Navarro conjecture states that the actions of a particular subgroup of Galois automorphisms on the two sets of characters involved in the McKay conjecture should be permutation isomorphic. This conjecture predicted that the local condition that a Sylow $p$-subgroup $P$ of a finite group $G$ is self-normalizing can be characterized in terms of the character theory of $G$; a prediction that has been recently verified for all primes. In the same spirit, we restrict our attention to the character theory of the principal $p$-block and analyze the relation with the structure of ${\bf N}_G(P)$.

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