| order | 1980 |
| isoclinism | isoclinic class of D5 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C9×C11 · Schur multiplier (H2) = C1 |
| direct product | C9×C11×Dic5 |
| derived, Sylow | C5 ⋊ C4×C9×C11 |
| Hall | C5×C9×C11 ⋊ C4 |
| Hall | C5×C11 ⋊ C4×C9 |
| Hall | C5×C9 ⋊ C4×C11 |
36 conjugacy classes of subgroups.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 1980 |
A minimal faithful permutation representation — 2 generators on 29 points:
(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20)(21,22)(23,24)(25,26,27,28,29);(21,23,22,24)(26,29)(27,28)792 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1980, 6);