Normalizers of Chevalley Groups of Type G2 Over Local Rings Without 1/2

E. I. Bunina, P. A. Veryovkin

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In this paper, we prove that every element of the linear group GL14(R) normalizing the Chevalley group of type G 2 over a commutative local ring R without 1/2 belongs to this group up to some multiplier. This allows us to improve our classification of automorphisms of these Chevalley groups showing that an automorphism-conjugation can be replaced by an inner automorphism. Therefore, it is proved that every automorphism of a Chevalley group of type G 2 over a local ring without 1/2 is a composition of a ring and an inner automorphisms.

Original languageEnglish
Pages (from-to)446-449
Number of pages4
JournalJournal of Mathematical Sciences
Volume201
Issue number4
DOIs
StatePublished - Sep 2014
Externally publishedYes

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