Finite Group DatabasebetaFinite Group Databasebeta| order | 21660 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C2 |
| direct product | C2×C5×#14524212 |
| Fitting, socle | C2×C5×C192 ⋊ D3 |
| derived, Hall | #11762246 ⋊ C22×C5 |
| Hall | C5×#11762246 ⋊ C22 |
| Hall | C5×C192 ⋊ C2×D3 |
| Sylow | C192 ⋊ C2×C5×D3 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C5 | #14524212 |
| commutator, cosocle, hypocenter | #11762246 | C22×C5 |
| Frattini | C1 | G |
| Fitting, socle | C2×C5×C192 | D3 |
| LCS | G ▷ #11762246 | |
| UCS | C1 ◁ C2×C5 | |
76 conjugacy classes of subgroups.
| transitive degree | μt(G) = 380 |
900 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21660, 145);