| order | 1920 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #1412 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3×C4×C5 · Schur multiplier (H2) = C2 |
| direct product | C3×C5×#1413 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C3×C5 | #354 |
| commutator | C42 | C2×C3×C4×C5 |
| Frattini, cosocle | C4⋊Q8 | C22×C3×C5 |
| prime radical | C22×C3×C5 | #99 |
| LCS | G ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C3×C5 ◁ C22×C3×C5 ◁ C2×C3×C4×C5 ◁ C3×C5×C4⋊Q8 ◁ G | |
156 conjugacy classes of subgroups; only the 56 normal subgroups are shown.
This group has 156 conjugacy classes of subgroups — too many to draw. Only its 56 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 480 |
A minimal faithful permutation representation — 2 generators on 40 points:
(1,2,3)(4,5,6,7,8)(9,10,12,17,14,19,26,36)(11,20,22,38,21,37,39,34)(13,18,28,35,29,16,25,33)(15,30,31,23,32,24,40,27);(9,11,14,21)(10,15)(12,24,26,30)(13,27,29,23)(16,20)(17,34)(18,37)(19,32)(22,25,39,28)(31,33)(35,40)(36,38)210 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 145);