SYMMETRY GROUPS: D₃ -THE EQUILATERAL TRIANGLE

The equilateral triangle has six symmetries:

   , A rotation of 0^o          , A rotation of 120^o                , A rotation of 240^o             .

  , An axial symmetry in the line L       , An axial symmetry in the line M      , An axial symmetry in the line L.

The Cayley table for D₃ is shown below.