Finite Group DatabasebetaFinite Group Databasebeta| order | 7956 |
| automorphism | ? |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | D117⋊D17 |
| unambiguous semidirect product | D153⋊D13 |
| unambiguous semidirect product | D221⋊D9 |
| Fitting, derived, Hall | C9×C13×C17 ⋊ C22 |
| Hall | C13×C17 ⋊ C2×D9 |
| Hall | C9×C17 ⋊ C2×D13 |
| Hall | C9×C13 ⋊ C2×D17 |
| Sylow | C17 ⋊ D9×D13 |
| Sylow | C13 ⋊ D9×D17 |
| Sylow | C9 ⋊ D13×D17 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, hypocenter | C9×C13×C17 | C22 |
| Frattini | C3 | D39⋊D17 |
| socle | C3×C13×C17 | C2×D3 |
| LCS | G ▷ C9×C13×C17 | |
| UCS | C1 | |
60 conjugacy classes of subgroups.
Polycyclic presentation:
2^2,3,13,17,3|c^3=f^2,d^a=d^12,e^a=e^16,c^b=c^2f,d^b=d^12,f^b=f^2528 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(7956, 42);