Finite Group DatabasebetaFinite Group DatabasebetaOrder 18688.
44 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | D4672 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | #22607750 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C73×Q128 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | D2336 | — | 2 | 1 | no | — |
| 5 | Q64×C73 | — | 2 | 1 | no | — |
| 6 | C64×C73 | C22 | 1 | 1 | yes | characteristic |
| 7 | D1168 | — | 4 | 1 | no | — |
| 8 | Q32×C73 | — | 4 | 1 | no | — |
| 9 | C32×C73 | D4 | 1 | 1 | yes | characteristic |
| 10 | D584 | — | 8 | 1 | no | — |
| 11 | Q16×C73 | — | 8 | 1 | no | — |
| 12 | C16×C73 | D8 | 1 | 1 | yes | characteristic |
| 13 | Q8×C73 | — | 16 | 1 | no | — |
| 14 | D292 | — | 16 | 1 | no | — |
| 15 | C8×C73 | D16 | 1 | 1 | yes | characteristic |
| 16 | C2×D73 | — | 32 | 1 | no | — |
| 17 | C4×C73 | — | 32 | 1 | no | — |
| 18 | C4×C73 | D32 | 1 | 1 | yes | characteristic |
| 19 | SD256 | — | 73 | 1 | no | maximal, Sylow |
| 20 | C2×C73 | D64 | 1 | 1 | yes | characteristic |
| 21 | D73 | — | 64 | 1 | no | — |
| 22 | Q128 | D73 | 1 | 1 | yes | characteristic, complemented |
| 23 | D64 | — | 73 | 1 | no | — |
| 24 | C128 | — | 73 | 1 | no | — |
| 25 | C73 | SD256 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 26 | Q64 | — | 2 | 1 | no | — |
| 27 | D32 | — | 146 | 1 | no | — |
| 28 | C64 | C2×D73 | 1 | 1 | yes | characteristic |
| 29 | Q32 | — | 4 | 1 | no | — |
| 30 | D16 | — | 292 | 1 | no | — |
| 31 | C32 | C22⋊D73 | 1 | 1 | yes | characteristic |
| 32 | Q16 | — | 8 | 1 | no | — |
| 33 | D8 | — | 584 | 1 | no | — |
| 34 | C16 | #11924013 | 1 | 1 | yes | characteristic |
| 35 | Q8 | — | 16 | 1 | no | — |
| 36 | D4 | — | 1168 | 1 | no | — |
| 37 | C8 | #14556532 | 1 | 1 | yes | characteristic |
| 38 | C22 | — | 2336 | 1 | no | — |
| 39 | C4 | — | 32 | 1 | no | — |
| 40 | C4 | #17988422 | 1 | 1 | yes | characteristic |
| 41 | C2 | — | 4672 | 1 | no | — |
| 42 | C2 | #22608143 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | C2 | #22608143 |
| commutator, cosocle | C64×C73 | C22 |
| Frattini | C64 | C2×D73 |
| Fitting | C73×Q128 | C2 |
| socle | C2×C73 | D64 |
| prime radical | D4672 | C2 |
| hypercenter | Q128 | D73 |
| hypocenter | C73 | SD256 |
| LCS | G ▷ C64×C73 ▷ C32×C73 ▷ C16×C73 ▷ C8×C73 ▷ C4×C73 ▷ C2×C73 ▷ C73 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32 ◁ C64 ◁ Q128 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #22607750 | C2 | semidirect |
| 3. C73×Q128 | C2 | semidirect |
| 22. Q128 | D73 | semidirect |
| 25. C73 | SD256 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D4672 | 2 |
| #22607750 | 2 |
| C73×Q128 | 2 |
| SD256 | 73 |