Reduce the following representations and check your answers by adding the irreducible representations: 3. 30v 2C3 0 C3v ã1 ã2 12 3C2 2S3 30v D3h ã3 2C3 -2 13 Consider an object shown below, which has D4h symmetry. The mirror planes and C2 axis are those labeled 4. 2v