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×#350 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C3×C5×C8 | D4 |
| commutator | C4 | C22×C3×C5×C8 |
| Frattini, cosocle | C2×C8 | C23×C3×C5 |
| socle | C22×C3×C5 | C22⋊C8 |
| prime radical | C2×C3×C5×#41 | C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C3×C5×C8 ◁ C22×C3×C5×C8 ◁ G | |
448 conjugacy classes of subgroups.
| minimal degree | μ(G) = 42 |
| transitive degree | μt(G) = 960 |
A minimal faithful permutation representation — 3 generators on 42 points:
(1,2)(35,36,37)(38,39,40,41,42);(3,4,7,12,8,13,22,30,9,14,23,31,6,11,20,28)(5,15,17,32,16,26,33,29,18,27,21,34,19,10,24,25);(3,5)(4,10)(6,19)(7,21)(8,16)(9,18)(11,27)(12,29)(13,15)(14,26)(17,23)(20,33)(22,24)(25,31)(28,32)(30,34)840 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 848);