Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D42 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5×C8 · Schur multiplier (H2) = C24 |
| direct product | C5×#33498 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C5×C8 | C24 |
| commutator | C22 | C23×C5×C8 |
| Frattini, cosocle | C2×C8 | C24×C5 |
| socle | C22×C5 | C23×C8 |
| prime radical | C23×C5 | C22×C8 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C5×C8 ◁ G | |
494 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 4 generators on 37 points:
(1,2,3,4,5)(6,7)(8,14)(9,12)(10,13)(11,16)(15,20)(17,19)(18,21)(22,23,26,31,27,28,34,35,25,30,33,37,24,29,32,36);(6,8,10,16)(7,11,13,14)(9,17,18,15)(12,20,21,19)(22,24,25,27)(23,28,30,29)(26,32,33,34)(31,35,37,36);(6,9,10,18)(7,12,13,21)(8,15,16,17)(11,19,14,20)(22,24,25,27)(23,29,30,28)(26,32,33,34)(31,36,37,35);(7,13)(11,14)(12,21)(19,20)(23,30)(28,29)(31,37)(35,36)500 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 26486);