پديدآورندگان :
S. M. Jafarian Amiri sm-jafarian@znu.ac.ir
Department of Mathematics, Faculty of Sciences, University of Zanjan, P.O.Box 45371-38791,
Zanjan, Iran;
, H. Madadi halime-madadi@yahoo.com
Department of Science, Miyaneh Branch, Islamic Azad University, Miyaneh, Iran;
, H. Rostami h.rostami5991@gmail.com
Department of Mathematics, Faculty of Sciences, University of Zanjan, P.O.Box 45371-38791,
Zanjan, Iran;
كليدواژه :
Finite group , relatively n , centralizer group , simple groups.
چكيده فارسي :
Let G be a finite group. Let also CentG(H) = fCG(h)jh 2 Hg and CentH(G) = fCH(g)jg 2 Gg
and their cardinality by centG(H) and centG(H) respectively. In this article we prove that for a
semisimple group G, centG(H)
