Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18252 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C25 |
| direct product | C5×#18268 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×#120 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C5×#525 | C22 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C23×C4×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)(22,23,26,29)(24,27,31,34)(25,28,32,35)(30,36,37,33);(6,7)(8,13)(9,12)(10,18)(11,14)(15,20)(16,21)(17,19)(22,24)(23,27)(25,30)(26,31)(28,33)(29,34)(32,37)(35,36);(6,8,11,16)(7,13,14,21)(9,17,10,15)(12,19,18,20)(22,25)(23,28)(24,30)(26,32)(27,33)(29,35)(31,37)(34,36);(6,9,11,10)(7,12,14,18)(8,15,16,17)(13,20,21,19)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 11256);