Finite Group DatabasebetaFinite Group Databasebeta| order | 1920 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C3×C5×C16 · Schur multiplier (H2) = C24 |
| direct product | C2×C3×C5×C22⋊C16 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C3×C5×C8 | C22 |
| commutator | C2 | C22×C3×C5×C16 |
| Frattini, cosocle | C2×C8 | C23×C3×C5 |
| socle | C23×C3×C5 | C2×C8 |
| prime radical | C24×C3×C5 | C8 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C3×C5×C8 ◁ G | |
544 conjugacy classes of subgroups.
| minimal degree | μ(G) = 30 |
| transitive degree | μt(G) = 960 |
A minimal faithful permutation representation — 3 generators on 30 points:
(1,2)(23,24,25)(26,27,28,29,30);(3,4)(5,6)(7,8,9,12,10,13,15,18,11,14,16,19,17,20,21,22);(4,6)1200 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1920, 843);