Finite Group DatabasebetaFinite Group Databasebeta| order | 31990 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C457 · Schur multiplier (H2) = C1 |
| direct product | D35×C457 |
| unambiguous semidirect product | C5⋊(D7×C457) |
| unambiguous semidirect product | C7⋊(D5×C457) |
| Fitting, socle, Hall | C5×C7×C457 ⋊ C2 |
| derived, Hall | C5×C7 ⋊ C2×C457 |
| Hall | C7×C457 ⋊ D5 |
| Hall | C5×C457 ⋊ D7 |
| Sylow | C7 ⋊ D5×C457 |
| Sylow | C5 ⋊ D7×C457 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C457 | D35 |
| commutator, cosocle, hypocenter | C5×C7 | C2×C457 |
| Frattini | C1 | G |
| Fitting, socle | C5×C7×C457 | C2 |
| LCS | G ▷ C5×C7 | |
| UCS | C1 ◁ C457 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 15995 |
8683 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(31990, 7);