Finite Group DatabasebetaFinite Group Databasebeta| order | 31140 |
| automorphism | ? |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | D45⋊D173 |
| unambiguous semidirect product | D865⋊D9 |
| unambiguous semidirect product | D1557⋊D5 |
| Fitting, derived, Hall | C5×C9×C173 ⋊ C22 |
| Hall | C9×C173 ⋊ C2×D5 |
| Hall | C5×C173 ⋊ C2×D9 |
| Sylow | C173 ⋊ D5×D9 |
| Hall | C5×C9 ⋊ C2×D173 |
| Sylow | C9 ⋊ D5×D173 |
| Sylow | C5 ⋊ D9×D173 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, cosocle, hypocenter | C5×C9×C173 | C22 |
| Frattini | C3 | D15⋊D173 |
| socle | C3×C5×C173 | C2×D3 |
| LCS | G ▷ C5×C9×C173 | |
| UCS | C1 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 7785 |
Polycyclic presentation:
2^2,3,5,173,3|c^3=f^2,d^a=d^4,e^a=e^172,c^b=c^2f,d^b=d^4,f^b=f^22088 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(31140, 28);