Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23848 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C24 |
| direct product | C5×#26933 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C2×C5×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C4×C5×C22⋊C4 ◁ G | |
898 conjugacy classes of subgroups.
| minimal degree | μ(G) = 33 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 4 generators on 33 points:
(1,2,3,4,5)(7,8)(10,11)(12,16)(13,15)(14,17)(18,19)(20,24)(21,23)(22,25)(26,33)(27,30)(28,31)(29,32);(6,7,9,8)(10,12,13,17)(11,14,15,16)(19,23)(20,26)(22,28)(24,32)(27,29)(30,33);(11,15)(14,16)(18,20,21,27)(19,24,23,30)(22,29,28,26)(25,32,31,33);(6,8,9,7)(11,15)(14,16)(19,23)(24,30)(25,31)(32,33)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 19921);