Order 32128.
576 conjugacy classes of subgroups.
The subgroup lattice has 140 nodes — too large to display as a diagram.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4×C251 | C23 |
| commutator | C22 | C23×C4×C251 |
| Frattini, cosocle | C2×C4 | C24×C251 |
| socle | C23×C251 | C22×C4 |
| prime radical | C24×C251 | C2×C4 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4×C251 ◁ G | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 3. #423×C251 | C2 | direct (N × H) |
| 4. C2×C4⋊C8×C251 | C2 | semidirect |
| 15. C4⋊C8×C251 | C22 | semidirect |
| 42. C2×C4×C251 | M16 | semidirect |
| 62. C4×C251 | C2×M16 | semidirect |
| 66. C2×C251 | #423 | direct (N × H) |
| 69. C251 | C2×#423 | direct (N × H) |
| 70. C2×#423 | C251 | direct (N × H) |
| 73. #423 | C2×C251 | direct (N × H) |
| 74. C2×C4⋊C8 | C2×C251 | semidirect |
| 85. C4⋊C8 | C22×C251 | semidirect |
| 112. C2×C4 | M16×C251 | semidirect |
| 132. C4 | C2×M16×C251 | semidirect |
| 136. C2 | #423×C251 | direct (N × H) |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C22×M16×C251 | 2 |
| C22×C42×C251 | 2 |
| #423×C251 | 2 |
| C2×C4⋊C8×C251 | 2 |
| C2×#423 | 251 |