Finite Group DatabasebetaFinite Group Databasebeta| order | 1920 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C3×C5×C8 · Schur multiplier (H2) = C23 |
| direct product | C2×C3×C5×#334 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C3×C4×C5 | D4 |
| commutator | C4 | C22×C3×C5×C8 |
| Frattini, cosocle | C42 | C23×C3×C5 |
| socle, prime radical | C23×C3×C5 | C4⋊C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C3×C4×C5 ◁ C2×C3×C42×C5 ◁ G | |
400 conjugacy classes of subgroups.
| minimal degree | μ(G) = 26 |
| transitive degree | μt(G) = 1920 |
A minimal faithful permutation representation — 3 generators on 26 points:
(1,2)(19,20,21)(22,23,24,25,26);(4,7)(5,9)(8,10)(11,12,13,15,14,16,17,18);(3,4,5,7,6,8,9,10)840 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 294);