Finite Group DatabasebetaFinite Group DatabasebetaOrder 20925.
168 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C33×C5×C31 | C5 | 1 | 1 | yes | maximal, characteristic |
| 2 | C32×C25×C31 | C3 | 1 | 13 | yes | maximal, direct product factor |
| 3 | C3×C25×C31 | C32 | 1 | 13 | yes | direct product factor |
| 4 | C32×C5×C31 | C3×C5 | 1 | 13 | yes | — |
| 5 | C33×C31 | C25 | 1 | 1 | yes | characteristic, direct product factor, Hall |
| 6 | C25×C31 | C33 | 1 | 1 | yes | characteristic, direct product factor, Hall |
| 7 | C33×C25 | C31 | 1 | 1 | yes | maximal, characteristic, direct product factor, Hall |
| 8 | C3×C5×C31 | C32×C5 | 1 | 13 | yes | — |
| 9 | C32×C31 | C3×C25 | 1 | 13 | yes | direct product factor |
| 10 | C32×C25 | C3×C31 | 1 | 13 | yes | direct product factor |
| 11 | C5×C31 | C33×C5 | 1 | 1 | yes | characteristic |
| 12 | C33×C5 | C5×C31 | 1 | 1 | yes | characteristic |
| 13 | C3×C31 | C32×C25 | 1 | 13 | yes | direct product factor |
| 14 | C3×C25 | C32×C31 | 1 | 13 | yes | direct product factor |
| 15 | C32×C5 | C3×C5×C31 | 1 | 13 | yes | — |
| 16 | C31 | C33×C25 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 17 | C33 | C25×C31 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 18 | C25 | C33×C31 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 19 | C3×C5 | C32×C5×C31 | 1 | 13 | yes | — |
| 20 | C32 | C3×C25×C31 | 1 | 13 | yes | direct product factor |
| 21 | C5 | C33×C5×C31 | 1 | 1 | yes | characteristic |
| 22 | C3 | C32×C25×C31 | 1 | 13 | yes | direct product factor |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C5 | C33×C5×C31 |
| socle, prime radical | C33×C5×C31 | C5 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C32×C25×C31 | C3 | direct (N × H) |
| 3. C3×C25×C31 | C32 | direct (N × H) |
| 5. C33×C31 | C25 | direct (N × H) |
| 6. C25×C31 | C33 | direct (N × H) |
| 7. C33×C25 | C31 | direct (N × H) |
| 9. C32×C31 | C3×C25 | direct (N × H) |
| 10. C32×C25 | C3×C31 | direct (N × H) |
| 13. C3×C31 | C32×C25 | direct (N × H) |
| 14. C3×C25 | C32×C31 | direct (N × H) |
| 16. C31 | C33×C25 | direct (N × H) |
| 17. C33 | C25×C31 | direct (N × H) |
| 18. C25 | C33×C31 | direct (N × H) |
| 20. C32 | C3×C25×C31 | direct (N × H) |
| 22. C3 | C32×C25×C31 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C33×C5×C31 | 5 |
| C32×C25×C31 | 3 |
| C33×C25 | 31 |