نوف بنت محمد الردادي2022-05-192022-05-191143https://drepo.sdl.edu.sa/handle/20.500.14154/9920In this thesis we will use PSL (2,27) and PSL (2,29) to generate some symmetric and alternative groups. We also use some forms of wreath product containing PSL (2,27) and PSL (2,29) to generate some sysmmetric and alternating groups as well. In chapter four and seven we used some forms of wreath products containing PSL(2,27) and PSL @,29) to generate some symmetric and alternating groups.enThesis