Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #3532 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C4×C5 · Schur multiplier (H2) = C27×C4 |
| direct product | C5×#34369 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | C25 |
| commutator | C22 | C24×C4×C5 |
| Frattini, cosocle | C23 | C25×C5 |
| prime radical | C2×C5×#532 | C2 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ G | |
2410 conjugacy classes of subgroups.
| minimal degree | μ(G) = 33 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 5 generators on 33 points:
(1,2,3,4,5)(6,7,8,9)(11,14)(12,16)(18,19,22,23)(20,26,27,24)(21,29,30,25)(28,31,33,32);(11,14)(15,17)(19,23)(20,27)(25,29)(28,33);(10,11,13,14)(12,15,16,17)(18,19)(20,24)(21,25)(22,23)(26,27)(28,31)(29,30)(32,33);(10,12)(11,15)(13,16)(14,17)(18,20,22,27)(19,24,23,26)(21,28,30,33)(25,31,29,32);(18,21,22,30)(19,25,23,29)(20,28,27,33)(24,31,26,32)380 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 27357);