Hader Baqer Shelash, Hasanain Hamid Ahmad, Ahmed J. Obaid
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On characterizations some of subgroups of the dihedral group D2n
The finite group M is an H-group if every subgroup in M is an M-subgroup, and we say M is a j-group if every subgroup in M is a j-subgroup. In this study, we look at some of the characteristics of some dihedral group subgroups. As a result, we have student relationships between several subgroups, the quantity demand and investment in research and development, while the other model focuses on a more realistic relationship between the quantity demand and the price.