Finite Group DatabasebetaFinite Group Databasebeta| order | 1920 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #120 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C3×C4×C5 · Schur multiplier (H2) = C25×C4 |
| direct product | C2×C3×C5×#391 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C24×C3×C5 | C23 |
| commutator | C22 | C23×C3×C4×C5 |
| Frattini, cosocle | C23 | C24×C3×C5 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C24×C3×C5 ◁ G | |
1856 conjugacy classes of subgroups.
| minimal degree | μ(G) = 26 |
| transitive degree | μt(G) = 1920 |
A minimal faithful permutation representation — 4 generators on 26 points:
(1,2)(19,20,21)(22,23,24,25,26);(4,6)(7,8,10,9)(13,17)(15,18);(3,4,5,6)(7,9,10,8)(11,12,14,16)(13,15,17,18);(11,13,14,17)(12,15,16,18)840 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 1026);