Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | ? |
| homology | Abelianization (H1) = C25×C5 · Schur multiplier (H2) = C26×C4 |
| direct product | C5×#35344 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | C25 |
| commutator, Frattini, cosocle | C23 | C25×C5 |
| prime radical | C24×C5 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ G | |
1570 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 5 generators on 37 points:
(1,2,3,4,5)(7,10)(11,13)(14,15,18,21)(16,17,20,19)(25,32)(29,34)(31,36)(35,37);(14,16,18,20)(15,19,21,17)(23,27)(24,30)(29,34)(31,36);(6,7)(8,11)(9,10)(12,13)(14,15)(16,19)(17,20)(18,21)(22,23,26,27)(24,28,30,33)(25,29,32,34)(31,35,36,37);(6,8,9,12)(7,11,10,13)(14,17,18,19)(15,20,21,16)(22,24)(23,28)(25,31)(26,30)(27,33)(29,35)(32,36)(34,37);(22,25,26,32)(23,29,27,34)(24,31,30,36)(28,35,33,37)320 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 28332);