Order 20288.
158 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23778859 | C2 | semidirect |
| 2. #23778838 | C2 | semidirect |
| 9. C2×Dic634 | C4 | semidirect |
| 11. C22×Dic317 | C4 | semidirect |
| 13. C2×D4×C317 | C4 | semidirect |
| 41. C317 | #410 | semidirect |
| 50. C2×D4 | #11929639 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23778859 | 2 |
| #23778838 | 2 |
| C2×#19099573 | 2 |
| #410 | 317 |