Finite Group DatabasebetaFinite Group Databasebeta| order | 18910 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C61 · Schur multiplier (H2) = C1 |
| direct product | C61×D155 |
| unambiguous semidirect product | C5⋊(C61×D31) |
| unambiguous semidirect product | C31⋊(D5×C61) |
| Fitting, socle, Hall | C5×C31×C61 ⋊ C2 |
| derived, Hall | C5×C31 ⋊ C2×C61 |
| Hall | C31×C61 ⋊ D5 |
| Hall | C5×C61 ⋊ D31 |
| Sylow | C31 ⋊ D5×C61 |
| Sylow | C5 ⋊ C61×D31 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C61 | D155 |
| commutator, cosocle, hypocenter | C5×C31 | C2×C61 |
| Frattini | C1 | G |
| Fitting, socle | C5×C31×C61 | C2 |
| LCS | G ▷ C5×C31 | |
| UCS | C1 ◁ C61 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 9455 |
4819 conjugacy classes. The character table is too large to display.
| maximal subgroup of | D61×D155, D5×C61×D31, D155⋊D61, … |
| maximal normal subgroup of | D61×D155, D5×C61×D31, D155⋊D61, … |
| maximal quotient of | C61×Dic155, C2×C61×D155 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18910, 13);