Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #16249 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C23×C4 |
| direct product | C5×#16416 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C24×C5 | C24 |
| commutator, Frattini, cosocle | C24 | C24×C5 |
| prime radical | C25×C5 | C23 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24×C5 ◁ G | |
1354 conjugacy classes of subgroups.
| minimal degree | μ(G) = 33 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 4 generators on 33 points:
(1,2,3,4,5)(7,9)(10,11,13,15)(12,14,16,17)(18,19)(20,21)(22,23)(24,25)(26,27,30,32)(28,33,31,29);(12,16)(14,17)(19,23)(20,24)(26,28,30,31)(27,29,32,33);(10,12)(11,14)(13,16)(15,17)(18,20,22,24)(19,21,23,25)(26,28)(27,29)(30,31)(32,33);(6,7)(8,9)(10,11)(12,14)(13,15)(16,17)(18,21)(19,20)(22,25)(23,24)(26,29)(27,31)(28,32)(30,33)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 9404);