Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #9519 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#9528 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #386 |
| commutator | C22×C4 | C22×C4×C5 |
| Frattini, cosocle | C2×C42 | C23×C5 |
| prime radical | C23×C5 | C4×D4 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G | |
396 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 37 points:
(1,2,3,4,5)(7,11)(8,14)(9,17)(13,19)(15,16)(18,20)(22,23,26,30,27,24,28,32)(25,31,34,37,33,29,35,36);(6,7,9,11,10,13,17,19)(8,12,15,18,16,21,14,20)(22,24,26,32,27,23,28,30)(25,31,35,36,33,29,34,37);(6,8,10,16)(7,12,13,21)(9,15,17,14)(11,18,19,20)(22,25)(23,29)(24,31)(26,35)(27,33)(28,34)(30,37)(32,36)185 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 2516);