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Research Article Open access CC BY 4.0

Action of PGL(2,q) on the Cosets of the Centralizer of an Eliptic Element

Patrick Mwangi Kimani, Daniel Adicka

Journal of Advances in Mathematics and Computer Science · pp. 11–20 · Published 19 Aug 2021

10.9734/jamcs/2021/v36i730379

Abstract

Most researchers consider the action of projective general group on the cosets of its maximal subgroups leaving out non-maximal subgroups. In this paper, we consider the action of centralizer of an elliptic element which is a non maximal subgroup . In particular, we determine the subdegrees, rank and properties of the suborbital graphs of the action. We achieve this through the application of the action of a group by conjugation. We have proved that the rank is q  and the subdegrees are  and .

Rank subdegrees centralizer suborbital graphs

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