Order 20656.
20 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | D5164 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C1291⋊C8 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | Q8×C1291 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×D1291 | — | 2 | 1 | no | — |
| 5 | C4×C1291 | — | 2 | 1 | no | — |
| 6 | C4×C1291 | C22 | 1 | 1 | yes | characteristic |
| 7 | C2×C1291 | D4 | 1 | 1 | yes | characteristic |
| 8 | D1291 | — | 4 | 1 | no | — |
| 9 | C1291 | SD16 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 10 | SD16 | — | 1291 | 1 | no | maximal, Sylow |
| 11 | Q8 | D1291 | 1 | 1 | yes | characteristic, complemented |
| 12 | D4 | — | 1291 | 1 | no | — |
| 13 | C8 | — | 1291 | 1 | no | — |
| 14 | C22 | — | 2582 | 1 | no | — |
| 15 | C4 | — | 2 | 1 | no | — |
| 16 | C4 | C2×D1291 | 1 | 1 | yes | characteristic |
| 17 | C2 | — | 5164 | 1 | no | — |
| 18 | C2 | C22⋊D1291 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C1291⋊C8 | C2 | semidirect |
| 3. Q8×C1291 | C2 | semidirect |
| 9. C1291 | SD16 | semidirect |
| 11. Q8 | D1291 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D5164 | 2 |
| C1291⋊C8 | 2 |
| Q8×C1291 | 2 |
| SD16 | 1291 |