Order 20288.
418 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. C2×#19099553 | C2 | direct (N × H) |
| 6. C22×Dic317 | C4 | semidirect |
| 9. #19099553 | C22 | direct (N × H) |
| 14. C2×Dic317 | C2×C4 | semidirect |
| 23. C22×C317 | C4⋊C4 | semidirect |
| 30. Dic317 | C22×C4 | semidirect |
| 31. C2×C317 | C2×C4⋊C4 | semidirect |
| 35. C317 | C22×C4⋊C4 | semidirect |
| 59. C22 | #19099553 | direct (N × H) |
| 67. C2 | C2×#19099553 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C23×Dic317 | 2 |
| C2×#19099553 | 2 |
| C23×C4×C317 | 2 |
| C22×C4⋊C4 | 317 |