Finite Group DatabasebetaFinite Group DatabasebetaOrder 20288.
266 conjugacy classes of subgroups; only the 103 normal subgroups are shown.
This group has 266 conjugacy classes of subgroups — too many to draw. Only its 103 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C2×#19099575 | C2 | semidirect |
| 2. C2×#19099573 | C2 | semidirect |
| 3. #23778801 | C2 | direct (N × H) |
| 4. C2×#19099564 | C2 | semidirect |
| 5. C2×#19099563 | C2 | semidirect |
| 6. C2×#19099559 | C2 | semidirect |
| 7. C2×C8×D317 | C2 | semidirect |
| 8. C2×SD16×C317 | C2 | semidirect |
| 10. #19099575 | C22 | semidirect |
| 12. #19099573 | C22 | semidirect |
| 20. #19099564 | C22 | semidirect |
| 21. #19099563 | C22 | semidirect |
| 22. #19099559 | C22 | semidirect |
| 24. C8×D317 | C22 | semidirect |
| 27. SD16×C317 | C22 | semidirect |
| 65. C2×C317 | #135 | semidirect |
| 69. C317 | C2×#135 | semidirect |
| 76. C2×SD16 | D317 | semidirect |
| 94. SD16 | C2×D317 | semidirect |
| 137. C2 | #23778801 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×#19099575 | 2 |
| C2×#19099573 | 2 |
| #23778801 | 2 |
| C2×#19099564 | 2 |
| C2×#19099563 | 2 |
| C2×#19099559 | 2 |
| C2×C8×D317 | 2 |
| C2×SD16×C317 | 2 |
| C2×#135 | 317 |