Finite Group DatabasebetaFinite Group Databasebeta| order | 21660 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C4 · Schur multiplier (H2) = C19 |
| direct product | C3×C19⋊(C19⋊AGL(1,𝔽5)) |
| Fitting, socle, Hall | C3×C5×C192 ⋊ C4 |
| derived, Hall | C5×C192 ⋊ C3×C4 |
| Hall | C3×C192 ⋊ AGL(1,𝔽5) |
| Sylow | C192 ⋊ C3×AGL(1,𝔽5) |
| Hall | C3×C5 ⋊ C19⋊Dic19 |
| Sylow | C5 ⋊ C3×C19⋊Dic19 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3 | C19⋊(C19⋊AGL(1,𝔽5)) |
| commutator, hypocenter | C5×C192 | C3×C4 |
| Frattini | C1 | G |
| Fitting, socle | C3×C5×C192 | C4 |
| prime radical | C3×D5×C192 | C2 |
| cosocle | D5×C192 | C2×C3 |
| LCS | G ▷ C5×C192 | |
| UCS | C1 ◁ C3 | |
264 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5415 |
2175 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21660, 170);