Finite Group DatabasebetaFinite Group Databasebeta| order | 1520 |
| isoclinism | isoclinic class of D19 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C4 |
| direct product | C4×C5×Dic19 |
| unambiguous semidirect product | C19⋊(C42×C5) |
| derived, Sylow | C19 ⋊ C42×C5 |
| Hall | C5×C19 ⋊ C42 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C4×C5 | D19 |
| commutator, hypocenter | C19 | C42×C5 |
| Frattini | C22 | C2×C5×D19 |
| Fitting | C2×C4×C5×C19 | C2 |
| socle, prime radical | C22×C5×C19 | C22 |
| cosocle | C22×C19 | C22×C5 |
| LCS | G ▷ C19 | |
| UCS | C1 ◁ C2×C4×C5 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1520 |
440 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1520, 39);