Group D13 n 8 Irred Operation 1 A1 E 2 A2 C13 3 E1 C13^2 4 E2 C13^3 5 E3 C13^4 6 E4 C13^5 7 E5 C13^6 8 E6 C2' Table 1 2 3 4 5 6 7 8 1 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 2 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 -1.00000 3 2.00000 1.77090 1.13610 0.24100 -0.70920 -1.49700 -1.94180 0.00000 4 2.00000 1.13610 -0.70920 -1.94180 -1.49700 0.24100 1.77090 0.00000 5 2.00000 0.24100 -1.94180 -0.70920 1.77090 1.13610 -1.49700 0.00000 6 2.00000 -0.70920 -1.49700 1.77090 0.24100 -1.94180 1.13610 0.00000 7 2.00000 -1.49700 0.24100 1.13610 -1.94180 1.77090 -0.70920 0.00000 8 2.00000 -1.94180 1.77090 -1.49700 1.13610 -0.70920 0.24100 0.00000