Finite Group DatabasebetaFinite Group Databasebeta| order | 1920 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #3532 |
| automorphism | ? |
| homology | Abelianization (H1) = C25×C3×C5 · Schur multiplier (H2) = C28 |
| direct product | C3×C5×#3543 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C3×C5 | C25 |
| commutator, Frattini, cosocle | C22 | C25×C3×C5 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C3×C5 ◁ G | |
2520 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 480 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,3)(4,5,6,7,8)(9,10)(11,12)(13,14)(15,16)(17,18)(19,21)(20,23)(22,24);(10,14)(11,15)(18,19)(22,23);(17,18,21,19)(20,22,24,23);(9,11,13,15)(10,12,14,16)(17,19,21,18)(20,23,24,22);(9,12)(10,15)(11,14)(13,16)(17,20)(18,22)(19,23)(21,24)570 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 2275);