Finite Group DatabasebetaFinite Group DatabasebetaOrder 19904.
238 conjugacy classes of subgroups; only the 97 normal subgroups are shown.
This group has 238 conjugacy classes of subgroups — too many to draw. Only its 97 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C23×D311 |
| commutator, socle, cosocle | C22×C311 | C24 |
| Fitting | C4×D4×C311 | C2 |
| hypercenter | C4×D4 | D311 |
| hypocenter | C311 | #553 |
| LCS | G ▷ C22×C311 ▷ C311 | |
| UCS | C1 ◁ C22 ◁ C4×D4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23755701 | C2 | semidirect |
| 2. #23755700 | C2 | semidirect |
| 3. #23755691 | C2 | semidirect |
| 4. #23755681 | C2 | semidirect |
| 5. #23755679 | C2 | semidirect |
| 6. #23755679 | C2 | semidirect |
| 7. C4×D1244 | C2 | semidirect |
| 8. C4×C22⋊D311 | C2 | semidirect |
| 9. #23755666 | C2 | semidirect |
| 10. C4⋊C4×D311 | C2 | semidirect |
| 11. C4×D4×C311 | C2 | semidirect |
| 78. C311 | #553 | semidirect |
| 88. C4×D4 | D311 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23755701 | 2 |
| #23755700 | 2 |
| #23755691 | 2 |
| #23755681 | 2 |
| #23755679 | 2 |
| C4×D1244 | 2 |
| C4×C22⋊D311 | 2 |
| #23755666 | 2 |
| C4⋊C4×D311 | 2 |
| C4×D4×C311 | 2 |
| #553 | 311 |