Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #327 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C5×C8 · Schur multiplier (H2) = C23 |
| direct product | C5×#7031 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4×C5 | C22⋊C4 |
| commutator | C2×C4 | C4×C5×C8 |
| Frattini, cosocle | C43 | C22×C5 |
| socle, prime radical | C23×C5 | #95 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4×C5 ◁ C43×C5 ◁ G | |
352 conjugacy classes of subgroups.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 1280 |
A minimal faithful permutation representation — 2 generators on 29 points:
(1,2,3,4,5)(7,11)(8,9)(12,13)(14,15)(16,18)(17,20)(19,21)(22,23,24,26,25,27,28,29);(6,7,9,12,10,13,8,11)(15,18)(16,21)(19,20)380 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 19);