| order | 1920 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #1418 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3×C4×C5 · Schur multiplier (H2) = C2 |
| direct product | C3×C5×#1419 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C3×C5 | #357 |
| commutator | C16 | C2×C3×C4×C5 |
| Frattini, cosocle | C2×C16 | C22×C3×C5 |
| prime radical | C2×C3×C5×D16 | C2 |
| LCS | G ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C3×C5 ◁ C2×C3×C4×C5 ◁ C2×C3×C5×C8 ◁ C2×C3×C5×C16 ◁ G | |
156 conjugacy classes of subgroups; only the 72 normal subgroups are shown.
This group has 156 conjugacy classes of subgroups — too many to draw. Only its 72 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)(9,10,12,18,15,20,14,31)(11,21,24,38,27,16,26,32)(13,28,23,35,30,36,29,19)(17,34,33,22,37,40,39,25);(10,16)(11,22)(12,14)(13,29)(17,35)(18,38)(19,37)(20,21)(23,30)(24,34)(25,27)(26,40)(28,33)(31,32)(36,39)390 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 151);