Charlotte Scott Centre for Algebra

School of Mathematics & Physics, University of Lincoln

Evgeny Khukhro giving a talk in Bristol

Evgeny Khukhro is giving a talk “Finite groups with Frobenius groups of automorphisms” at Bristol University Algebra & Geometry Seminar, 17 June 2015, 2.30 PM

http://www.bristol.ac.uk/maths/events/2015/evgeny-khukhro.html

Abstract:  Suppose that a finite group G admits a Frobenius group of automorphisms FH with kernel F and complement H such that CG(F) = 1. The condition CG(F) = 1 alone already implies that G is soluble and has Fitting height bounded in terms of F. Finer results on the structure of G can be derived by using the “additional” action of H. There are good reasons to expect many properties and parameters of G to be close to the same properties and parameters of CG(H) (possibly, also depending on |H|). Examples of such properties and parameters include the order, rank, Fitting height, nilpotency class, and exponent. I will discuss several recent results in this direction, as well as generalizations and open problems. Results concerning bounding the order, sectional rank, and Fitting height of G are based on representation theory. Various Lie ring methods are used for bounding the nilpotency class and exponent of G.

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This entry was posted on June 15, 2015 by in News and announcements, Talks and visits and tagged .
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