Finite Group DatabasebetaFinite Group Databasebeta| order | 19670 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C5×C7 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | (D281⋊C5)⋊C7 |
| unambiguous semidirect product | (D281⋊C7)⋊C5 |
| unambiguous semidirect product | ((C281⋊C5)⋊C7)⋊C2 |
| Fitting, socle, derived, Sylow | C281 ⋊ C2×C5×C7 |
| Hall | (C281⋊C5)⋊C7 ⋊ C2 |
| Hall | D281⋊C7 ⋊ C5 |
| Hall | D281⋊C5 ⋊ C7 |
| Hall | C281⋊C7 ⋊ C2×C5 |
| Hall | C281⋊C5 ⋊ C2×C7 |
| Hall | D281 ⋊ C5×C7 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C281 | C2×C5×C7 |
| LCS | G ▷ C281 | |
| UCS | C1 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 281 |
Polycyclic presentation:
2,5,7,281|d^a=d^280,d^b=d^86,d^c=d^24974 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(19670, 18);