Document Type : Research Paper

Author

University of Anbar - College of Education for Pure Sciences.

10.37652/juaps.2011.44308

Abstract

In the present paper , the order and index of the normal abelian Hall subgroups have been
studied through using of some functions defined on group rings . Also , some properties of
homomorphism have been studied .

Keywords

Main Subjects

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3- Rotman  J. J. Theory of groups , Bostan, Allyn and Bacon 1965 .
4- Revin D. O., A conjugacy criterion for Hall subgroups, Siberian Mathematical Journal, Vol. 51, No. 3 PP. 402 – 409 , 2010 .  
5- Revin D. O. and Vdovin E. P. , On the number of classes of conjugate Hall subgroup , Journal of algebra 324, (2010) 3614 – 3652 , Novosibirsk , Russian Federation.