Finite Group DatabasebetaFinite Group Databasebeta| order | 1520 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | Dic19⋊Dic5 |
| Hall | C5×C19 ⋊ C4⋊C4 |
| Sylow | C19 ⋊ C4⋊Dic5 |
| Sylow | C5 ⋊ Dic19⋊C4 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C22 | D5×D19 |
| commutator | C2×C5×C19 | C2×C4 |
| Fitting, socle, prime radical, cosocle | C22×C5×C19 | C22 |
| hypocenter | C5×C19 | C4⋊C4 |
| LCS | G ▷ C2×C5×C19 ▷ C5×C19 | |
| UCS | C1 ◁ C22 | |
52 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1520 |
Polycyclic presentation:
2^4,5,19|a^2=d,b^2=c,b^a=bd,f^a=f^18,e^b=e^4170 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1520, 29);