Order 18688.
44 conjugacy classes of subgroups.
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C64 | C2×D73 |
| commutator, socle | C2×C73 | C2×C64 |
| Fitting | C73×C128 | C2 |
| prime radical | C2×D73 | C64 |
| cosocle | C64×C73 | C22 |
| hypercenter | C128 | D73 |
| hypocenter | C73 | M256 |
| LCS | G ▷ C2×C73 ▷ C73 | |
| UCS | C1 ◁ C64 ◁ C128 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 2. #22607750 | C2 | semidirect |
| 3. C73×C128 | C2 | semidirect |
| 24. C128 | D73 | semidirect |
| 25. C73 | M256 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C64×D73 | 2 |
| #22607750 | 2 |
| C73×C128 | 2 |
| M256 | 73 |