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×#26387 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C22×C5×D4 | C23 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C4×C5×C4⋊C4 ◁ G | |
822 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)(10,11,14,16)(12,15,13,17)(18,19)(20,25)(21,29)(22,24)(23,27)(26,28)(30,32)(31,33);(6,7)(8,9)(10,12,14,13)(11,15,16,17)(19,24)(20,22)(21,30)(25,27)(26,32)(29,33);(7,9)(10,13,14,12)(11,15,16,17)(18,20,23,22)(19,25,27,24)(21,28,30,31)(26,32,33,29);(18,21,23,30)(19,26,27,33)(20,28,22,31)(24,29,25,32)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 19375);