Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1619 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C25 |
| direct product | C5×#18523 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C5 | #120 |
| commutator, Frattini, cosocle | C42 | C24×C5 |
| socle | C22×C5 | C2×#120 |
| prime radical | C5×#3475 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G | |
946 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 4 generators on 37 points:
(1,2,3,4,5)(6,7,11,14)(8,15,17,20)(9,13,10,18)(12,19,21,16)(22,23,28,32)(24,33,25,36)(26,30,27,31)(29,34,37,35);(6,8,11,17)(7,12,14,21)(9,16,10,19)(13,20,18,15)(22,24,28,25)(23,29,32,37)(26,34,27,35)(30,33,31,36);(6,9,11,10)(7,13,14,18)(8,16,17,19)(12,20,21,15)(22,25,28,24)(23,29,32,37)(26,35,27,34)(30,33,31,36);(22,26,28,27)(23,30,32,31)(24,34,25,35)(29,33,37,36)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 11511);