Order 576.
147 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C16 | D9 |
| commutator, hypocenter | C9 | C22×C16 |
| Frattini | C3×C8 | C22×D3 |
| Fitting | C2×C9×C16 | C2 |
| socle | C22×C3 | D3×C8 |
| prime radical | C22×D9 | C8 |
| cosocle | C8×C9 | C23 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C2×C16 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. C2×C9×C16 | C2 | semidirect |
| 3. C2×C9⋊C16 | C2 | semidirect |
| 4. C16×D9 | C2 | direct (N × H) |
| 11. C9×C16 | C22 | semidirect |
| 12. C9⋊C16 | C22 | semidirect |
| 34. C2×D9 | C16 | direct (N × H) |
| 42. C2×C16 | D9 | direct (N × H) |
| 51. C2×C9 | C2×C16 | semidirect |
| 53. D9 | C2×C16 | direct (N × H) |
| 60. C16 | C2×D9 | direct (N × H) |
| 67. C9 | C22×C16 | semidirect |
| 87. C2 | C16×D9 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C2×C8×D9 | 2 |
| C2×C9×C16 | 2 |
| C2×C9⋊C16 | 2 |
| C16×D9 | 2 |
| C2×D3×C16 | 3 |