الفهرس 
CHAPTER (1) IntroductionOnly 14 pages are availabe for public view
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Abstract
We call agroup G,where G is not nesssarily finite, cyclically separated (CS-group( if for any given cyclic Subgroup B≤ G and asubgroup A of Finite index in B, Therer exists a normal subgroup N of G of finite index such that N?B=A.