Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C24 |
| direct product | C5×#24924 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C22×C5×#41 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C4×C5×C22⋊C4 ◁ G | |
960 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)(10,11)(12,14)(13,15)(16,17)(18,19,23,27)(20,26,22,24)(21,29,30,32)(25,31,33,28);(6,7)(8,9)(10,12,13,16)(11,14,15,17)(19,24)(20,22)(21,30)(25,32)(26,27)(29,33);(7,9)(11,15)(14,17)(18,20,23,22)(19,24,27,26)(21,28,30,31)(25,29,33,32);(18,21,23,30)(19,25,27,33)(20,28,22,31)(24,29,26,32)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 17912);