Order 1944.
590 conjugacy classes of subgroups; only the 225 normal subgroups are shown.
This group has 590 conjugacy classes of subgroups — too many to draw. Only its 225 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C22×C9×3−1+2 | C2 | semidirect |
| 2. C2×C9×AGL(1,ℤ/9) | C2 | direct (N × H) |
| 5. C22×D9⋊C9 | C3 | semidirect |
| 6. C22×C9×D9 | C3 | semidirect |
| 7. C2×C9×3−1+2 | C22 | semidirect |
| 8. C9×AGL(1,ℤ/9) | C22 | direct (N × H) |
| 14. C22×C9⋊C9 | C2×C3 | semidirect |
| 17. C22×C92 | C2×C3 | semidirect |
| 18. C2×D9⋊C9 | C2×C3 | semidirect |
| 19. C2×C9×D9 | C2×C3 | semidirect |
| 20. C9×3−1+2 | C23 | semidirect |
| 23. C22×AGL(1,ℤ/9) | C9 | direct (N × H) |
| 32. C2×C9⋊C9 | C22×C3 | semidirect |
| 35. C2×C92 | C22×C3 | semidirect |
| 36. D9⋊C9 | C22×C3 | semidirect |
| 37. C9×D9 | C22×C3 | semidirect |
| 41. C22×3−1+2 | C2×C9 | semidirect |
| 51. C2×AGL(1,ℤ/9) | C2×C9 | direct (N × H) |
| 58. C9⋊C9 | C23×C3 | semidirect |
| 61. C92 | C23×C3 | semidirect |
| 67. C22×D9 | C3×C9 | semidirect |
| 71. C2×3−1+2 | C22×C9 | semidirect |
| 81. AGL(1,ℤ/9) | C22×C9 | direct (N × H) |
| 100. C22×C9 | AGL(1,ℤ/9) | direct (N × H) |
| 101. C22×C9 | C2×C3×C9 | semidirect |
| 102. C2×D9 | C2×C3×C9 | semidirect |
| 105. 3−1+2 | C23×C9 | semidirect |
| 132. C2×C9 | C2×AGL(1,ℤ/9) | direct (N × H) |
| 133. C2×C9 | C22×C3×C9 | semidirect |
| 134. D9 | C22×C3×C9 | semidirect |
| 152. C9 | C22×AGL(1,ℤ/9) | direct (N × H) |
| 153. C9 | C23×C3×C9 | semidirect |
| 163. C22 | C9×AGL(1,ℤ/9) | direct (N × H) |
| 169. C2 | C2×C9×AGL(1,ℤ/9) | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×C9×3−1+2 | 2 |
| C2×C9×AGL(1,ℤ/9) | 2 |
| C22×C3×AGL(1,ℤ/9) | 3 |
| C22×C3×D3×C9 | 3 |
| C22×D9⋊C9 | 3 |
| C22×C9×D9 | 3 |