Order 320.
90 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×Dic20 | C2 | semidirect |
| 3. C2×C5×C16 | C2 | semidirect |
| 4. #3932 | C2 | direct (N × H) |
| 9. Dic20 | C22 | semidirect |
| 12. C5×C16 | C22 | semidirect |
| 26. C2×C16 | D5 | semidirect |
| 40. C16 | C2×D5 | semidirect |
| 41. C2×C5 | SD32 | semidirect |
| 53. C5 | C2×SD32 | semidirect |
| 61. C2 | #3932 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×Dic20 | 2 |
| C2×D40 | 2 |
| C2×C5×C16 | 2 |
| #3932 | 2 |
| C2×SD32 | 5 |