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