# On Normal Subgroups Lattice of Dihedral Group

### Abstract

In this paper, we obtain subgroup and normal subgroup lattices of dihedral group . we also give the Hasse diagrams of these lattices of D_{2p .}

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*Journal of Al-Qadisiyah for Computer Science and Mathematics*,

*12*(1), Math Page 83-. https://doi.org/10.29304/jqcm.2020.12.1.675