Finite Group DatabasebetaFinite Group Databasebeta| order | 20820 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C4 · Schur multiplier (H2) = C1 |
| direct product | C3×Dic1735 |
| unambiguous semidirect product | C347⋊(C3×Dic5) |
| derived, Hall | C5×C347 ⋊ C3×C4 |
| Hall | C3×C5×C347 ⋊ C4 |
| Hall | C3×C347 ⋊ Dic5 |
| Sylow | C347 ⋊ C3×Dic5 |
| Hall | C3×C5 ⋊ Dic347 |
| Sylow | C5 ⋊ C3×Dic347 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C3 | D1735 |
| commutator, hypocenter | C5×C347 | C3×C4 |
| Frattini | C2 | C3×D1735 |
| Fitting, socle, prime radical | C2×C3×C5×C347 | C2 |
| cosocle | C2×C5×C347 | C2×C3 |
| LCS | G ▷ C5×C347 | |
| UCS | C1 ◁ C2×C3 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20820 |
5214 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20820, 4);