Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18712 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C25 |
| direct product | C5×#18729 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24×C5 |
| prime radical | C5×#3205 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G | |
940 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)(7,12)(9,10)(13,19)(14,18)(15,17)(20,21)(22,23)(24,32)(25,30)(26,29)(27,31)(28,34)(33,37)(35,36);(6,7,11,14)(8,13,16,21)(9,12,10,18)(15,20,17,19)(22,24)(23,28)(25,33)(26,34)(27,35)(29,36)(30,32)(31,37);(6,8)(7,13)(9,17)(10,15)(11,16)(12,19)(14,21)(18,20)(23,29)(25,26)(28,36)(30,31)(32,37)(33,34);(6,9,11,10)(7,12,14,18)(8,15,16,17)(13,20,21,19)(22,25,27,26)(23,29,31,30)(24,33,35,34)(28,36,37,32)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 11717);