(Return link to main list of space groups in standard settings.)
| (a). P 42 / n n m with origin at -42m and 2/m at 1/4,1/4,1/4. |
| (b). P 42 / n n m with origin at 2/m and -42m at 1/4,3/4,1/4. |
| (c). P 42 / n n m with origin at 2/m and -42m at 1/4,1/4,1/4. |
| (d). P 42 / n n m with origin at 4222 and -42m at 1/2,0,0. |