Order 17792.
1488 conjugacy classes of subgroups.
The subgroup lattice has 168 nodes — too large to display as a diagram.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #22581430 | C2 | direct (N × H) |
| 3. C2×C4×Dic278 | C2 | semidirect |
| 4. C2×#17984807 | C2 | semidirect |
| 8. C22×Dic278 | C4 | semidirect |
| 13. C4×Dic278 | C22 | semidirect |
| 14. #17984807 | C22 | semidirect |
| 29. C2×Dic278 | C2×C4 | semidirect |
| 80. C2×C139 | #519 | semidirect |
| 83. C139 | C2×#519 | semidirect |
| 164. C2 | #22581430 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C23×Dic278 | 2 |
| #22581430 | 2 |
| C2×C4×Dic278 | 2 |
| C2×#17984807 | 2 |
| C2×#17984801 | 2 |
| C2×#17984798 | 2 |
| C2×#117×C139 | 2 |
| C2×#519 | 139 |