Order 640.
148 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 13. Dic40 | C4 | semidirect |
| 76. C5 | #2176 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×Dic40 | 2 |
| C4×Dic20 | 2 |
| C5×#346 | 2 |
| #64725 | 2 |
| #64723 | 2 |
| #2176 | 5 |