Finite Group DatabasebetaFinite Group DatabasebetaOrder 19808.
76 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C22×C4×C619 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C2×C8×C619 | C2 | 1 | 6 | yes | maximal, direct product factor |
| 3 | C23×C619 | C4 | 1 | 1 | yes | characteristic |
| 4 | C2×C4×C619 | C4 | 1 | 3 | yes | — |
| 5 | C2×C4×C619 | C22 | 1 | 3 | yes | — |
| 6 | C8×C619 | C22 | 1 | 4 | yes | direct product factor |
| 7 | C22×C619 | C8 | 1 | 4 | yes | direct product factor |
| 8 | C22×C619 | C2×C4 | 1 | 3 | yes | — |
| 9 | C4×C619 | C2×C4 | 1 | 3 | yes | — |
| 10 | C4×C619 | C23 | 1 | 1 | yes | characteristic |
| 11 | C2×C619 | C2×C8 | 1 | 6 | yes | direct product factor |
| 12 | C2×C619 | C22×C4 | 1 | 1 | yes | characteristic |
| 13 | C619 | C22×C8 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 14 | C22×C8 | C619 | 1 | 1 | yes | maximal, characteristic, direct product factor, Sylow |
| 15 | C22×C4 | C2×C619 | 1 | 1 | yes | characteristic |
| 16 | C2×C8 | C2×C619 | 1 | 6 | yes | direct product factor |
| 17 | C23 | C4×C619 | 1 | 1 | yes | characteristic |
| 18 | C2×C4 | C4×C619 | 1 | 3 | yes | — |
| 19 | C2×C4 | C22×C619 | 1 | 3 | yes | — |
| 20 | C8 | C22×C619 | 1 | 4 | yes | direct product factor |
| 21 | C22 | C8×C619 | 1 | 4 | yes | direct product factor |
| 22 | C22 | C2×C4×C619 | 1 | 3 | yes | — |
| 23 | C4 | C2×C4×C619 | 1 | 3 | yes | — |
| 24 | C4 | C23×C619 | 1 | 1 | yes | characteristic |
| 25 | C2 | C2×C8×C619 | 1 | 6 | yes | direct product factor |
| 26 | C2 | C22×C4×C619 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C4 | C23×C619 |
| socle, prime radical | C23×C619 | C4 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C2×C8×C619 | C2 | direct (N × H) |
| 6. C8×C619 | C22 | direct (N × H) |
| 7. C22×C619 | C8 | direct (N × H) |
| 11. C2×C619 | C2×C8 | direct (N × H) |
| 13. C619 | C22×C8 | direct (N × H) |
| 14. C22×C8 | C619 | direct (N × H) |
| 16. C2×C8 | C2×C619 | direct (N × H) |
| 20. C8 | C22×C619 | direct (N × H) |
| 21. C22 | C8×C619 | direct (N × H) |
| 25. C2 | C2×C8×C619 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C4×C619 | 2 |
| C2×C8×C619 | 2 |
| C22×C8 | 619 |