Finite Group DatabasebetaFinite Group Databasebeta| order | 21660 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C4 · Schur multiplier (H2) = C19 |
| direct product | C3×C19⋊Dic95 |
| derived, Hall | C5×C192 ⋊ C3×C4 |
| Hall | C3×C5×C192 ⋊ C4 |
| Hall | C3×C192 ⋊ Dic5 |
| Sylow | C192 ⋊ C3×Dic5 |
| Hall | C3×C5 ⋊ C19⋊Dic19 |
| Sylow | C5 ⋊ C3×C19⋊Dic19 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C3 | C5⋊(C19⋊D19) |
| commutator, hypocenter | C5×C192 | C3×C4 |
| Frattini | C2 | C3×C5⋊(C19⋊D19) |
| Fitting, socle, prime radical | C2×C3×C5×C192 | C2 |
| cosocle | C2×C5×C192 | C2×C3 |
| LCS | G ▷ C5×C192 | |
| UCS | C1 ◁ C2×C3 | |
264 conjugacy classes of subgroups.
| transitive degree | μt(G) = 21660 |
5424 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21660, 79);