Order 2000.
82 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C5×D100 | C2 | semidirect |
| 2. C5×C8×C25 | C2 | semidirect |
| 6. D200 | C5 | direct (N × H) |
| 11. D100 | C2×C5 | semidirect |
| 13. C8×C25 | C2×C5 | semidirect |
| 14. C5×C25 | D8 | semidirect |
| 30. C5×C8 | D25 | semidirect |
| 34. C25 | C5×D8 | semidirect |
| 47. C8 | C5×D25 | semidirect |
| 49. C5 | D200 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C5×D100 | 2 |
| C5×C8×C25 | 2 |
| C5×D40 | 5 |
| D200 | 5 |