Keywords: Dih4 subgroups (cycle graphs).svg The lattice of subgroups of the dihedral group Dih<sub>4</sub> represented as groups of rotations and reflections of a plane figure The subgroups are represented by their cycle graphs <br> which are subgraphs of the Dih<sub>4</sub> cycle graph Dih4 cycle graph svg 80 Dih4 subgroups svg 96 2011-02-13 16 07 Dih4 subgroups svg David Eppstein derivative work mate2code made with Inkscape ValidSVG Lattice of subgroups Hasse diagrams Dihedral group Dih 4 Graphs with 10 vertices Dihedral group Dih 4; cycle graph Cycle graph of Z2 2 Cycle graph of C4 Cycle graph of C2 |