Finite Group DatabasebetaFinite Group DatabasebetaOrder 120.
22 conjugacy classes of subgroups.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C5×A4 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | C5×D4 | — | 3 | 1 | no | maximal, Hall |
| 3 | C5×D3 | — | 4 | 1 | no | maximal |
| 4 | S4 | C5 | 1 | 1 | yes | maximal, characteristic, direct product factor, Hall |
| 5 | C22×C5 | — | 3 | 1 | no | — |
| 6 | C22×C5 | D3 | 1 | 1 | yes | characteristic, complemented |
| 7 | C4×C5 | — | 3 | 1 | no | — |
| 8 | C3×C5 | — | 4 | 1 | no | Hall |
| 9 | A4 | C2×C5 | 1 | 1 | yes | characteristic, complemented |
| 10 | C2×C5 | — | 3 | 1 | no | — |
| 11 | C2×C5 | — | 6 | 1 | no | — |
| 12 | D4 | — | 3 | 1 | no | Sylow |
| 13 | D3 | — | 4 | 1 | no | — |
| 14 | C5 | S4 | 1 | 1 | yes | characteristic, direct product factor, Sylow |
| 15 | C22 | — | 3 | 1 | no | — |
| 16 | C22 | C5×D3 | 1 | 1 | yes | characteristic, complemented |
| 17 | C4 | — | 3 | 1 | no | — |
| 18 | C3 | — | 4 | 1 | no | Sylow |
| 19 | C2 | — | 3 | 1 | no | — |
| 20 | C2 | — | 6 | 1 | no | — |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C5 | S4 |
| commutator, cosocle, hypocenter | A4 | C2×C5 |
| Frattini | C1 | G |
| Fitting, socle | C22×C5 | D3 |
| LCS | G ▷ A4 | |
| UCS | C1 ◁ C5 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C5×A4 | C2 | semidirect |
| 4. S4 | C5 | direct (N × H) |
| 6. C22×C5 | D3 | semidirect |
| 9. A4 | C2×C5 | semidirect |
| 14. C5 | S4 | direct (N × H) |
| 16. C22 | C5×D3 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C5×A4 | 2 |
| C5×D4 | 3 |
| C5×D3 | 4 |
| S4 | 5 |