| 12 | d | 1 | | (x, y, z) | ( - y, x - y, z) | ( - x + y, - x, z) | ( - x, - y, z + 1/2) |
| (y, - x + y, z + 1/2) | (x - y, x, z + 1/2) | ( - y, - x, z) | ( - x + y, y, z) |
| (x, x - y, z) | (y, x, z + 1/2) | (x - y, - y, z + 1/2) | ( - x, - x + y, z + 1/2) |
|
| 6 | c | .m. | | (x, - x, z) | (x, 2x, z) | ( - 2x, - x, z) | ( - x, x, z + 1/2) |
| ( - x, - 2x, z + 1/2) | (2x, x, z + 1/2) |
|