Finite Group DatabasebetaFinite Group Databasebeta| order | 20740 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C5 · Schur multiplier (H2) = C1 |
| direct product | C5×#16861897 |
| Fitting, socle, Hall | C5×C17×C61 ⋊ C4 |
| derived, Hall | C17×C61 ⋊ C4×C5 |
| Hall | C5×C61 ⋊ #595 |
| Hall | C5×C17 ⋊ Dic61 |
| Sylow | C61 ⋊ C5×#595 |
| Sylow | C17 ⋊ C5×Dic61 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C5 | #16861897 |
| commutator, hypocenter | C17×C61 | C4×C5 |
| Frattini | C1 | G |
| Fitting, socle | C5×C17×C61 | C4 |
| prime radical | C5×D17×C61 | C2 |
| cosocle | D17×C61 | C2×C5 |
| LCS | G ▷ C17×C61 | |
| UCS | C1 ◁ C5 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5185 |
1540 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20740, 29);