Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #33522 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C24 |
| direct product | C5×#33682 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C22×D8 |
| commutator, Frattini, cosocle | C2×C8 | C24×C5 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C5×#117 ◁ C5×#405 ◁ G | |
580 conjugacy classes of subgroups.
| minimal degree | μ(G) = 45 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 4 generators on 45 points:
(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(14,15)(16,25)(17,22)(18,21)(19,32)(20,26)(23,31)(24,30)(27,38)(28,35)(29,36)(33,41)(34,45)(37,44)(39,43)(40,42);(7,10)(11,13)(14,16)(15,20)(17,26)(18,27)(19,28)(21,33)(22,25)(23,34)(24,35)(29,41)(30,42)(31,43)(32,40)(36,38)(37,39)(44,45);(15,21)(18,31)(19,30)(20,33)(22,36)(23,24)(25,38)(27,43)(28,42)(29,44)(32,37)(34,35)(39,40)(41,45);(6,8,9,12)(7,11,10,13)(16,26)(20,25)(27,41)(28,42)(33,38)(34,39)(35,40)(43,45)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 26670);