EntityQ558339· pop 29· linked from 510 articlesdihedral groupSign in to savegroup of symmetries of a regular polygonConnectionsSylow theoremsEntitycommutative propertyEntityEuler's totient functionEntityLie groupEntitytopological groupEntityorthogonal groupEntitymathematicsEntitychemistryEntitygeometryEntityInternational Standard Book NumberEntitycircleEntitycomplex numberEntitysquareEntityintegerEntitypolygonEntityChrysanthemumEntitydigital object identifierEntitymatrixEntitysymmetryEntityflag of IndiaEntityCategoriesEuclidean symmetriesFinite reflection groupsProperties of groups