Finite Group DatabasebetaFinite Group Databasebeta| order | 31388 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C19×C59 · Schur multiplier (H2) = C2 |
| direct product | C2×D7×C19×C59 |
| unambiguous semidirect product | C7⋊(C22×C19×C59) |
| unambiguous semidirect product | (C2×C7)⋊(C2×C19×C59) |
| Fitting, socle | C2×C7×C19×C59 ⋊ C2 |
| derived, Sylow | C7 ⋊ C22×C19×C59 |
| Hall | C7×C19×C59 ⋊ C22 |
| Hall | C7×C59 ⋊ C22×C19 |
| Hall | C7×C19 ⋊ C22×C59 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C19×C59 | D7 |
| commutator, cosocle, hypocenter | C7 | C22×C19×C59 |
| Frattini | C1 | G |
| Fitting, socle | C2×C7×C19×C59 | C2 |
| LCS | G ▷ C7 | |
| UCS | C1 ◁ C2×C19×C59 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 15694 |
11210 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(31388, 20);