Finite Group DatabasebetaFinite Group Databasebeta| order | 20398 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C7 · Schur multiplier (H2) = C1 |
| direct product | C7×D1457 |
| unambiguous semidirect product | C31⋊(C7×D47) |
| unambiguous semidirect product | C47⋊(C7×D31) |
| Fitting, socle, Hall | C7×C31×C47 ⋊ C2 |
| derived, Hall | C31×C47 ⋊ C2×C7 |
| Hall | C7×C47 ⋊ D31 |
| Hall | C7×C31 ⋊ D47 |
| Sylow | C47 ⋊ C7×D31 |
| Sylow | C31 ⋊ C7×D47 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7 | D1457 |
| commutator, cosocle, hypocenter | C31×C47 | C2×C7 |
| Frattini | C1 | G |
| Fitting, socle | C7×C31×C47 | C2 |
| LCS | G ▷ C31×C47 | |
| UCS | C1 ◁ C7 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10199 |
5110 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20398, 4);