Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18682 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C25 |
| direct product | C5×#18693 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24×C5 |
| prime radical | C5×#532 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G | |
868 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)(8,15)(9,12)(10,14)(11,19)(13,17)(16,20)(18,21)(22,23,26,29)(24,30,31,37)(25,33,34,28)(27,35,36,32);(6,8)(7,13)(9,16)(10,17)(11,20)(12,18)(14,21)(15,19)(25,34)(28,33)(30,37)(32,35);(6,9,12,7)(8,16,18,13)(10,14,11,19)(15,17,21,20)(22,24)(23,27)(25,35)(26,31)(28,37)(29,36)(30,33)(32,34);(6,10,12,11)(7,14,9,19)(8,17,18,20)(13,21,16,15)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 11681);