Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18618 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C25 |
| direct product | C5×#18660 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24×C5 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G | |
908 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)(9,17)(10,12)(11,16)(13,19)(15,21)(18,20)(23,28)(24,32)(25,26)(30,31)(33,34)(35,36);(6,8,10,15)(7,11,12,20)(9,18,19,16)(13,21,17,14)(22,23,27,31)(24,29,33,37)(25,28,26,30)(32,35,34,36);(22,24)(23,29)(25,32)(26,34)(27,33)(28,35)(30,36)(31,37);(7,12)(8,15)(13,17)(16,18)(22,25,27,26)(23,30,31,28)(24,32,33,34)(29,36,37,35)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 11648);