Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #32712 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C2×C42 |
| direct product | C5×#32767 |
| 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 ◁ C2×C5×#117 ◁ G | |
778 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 4 generators on 37 points:
(1,2,3,4,5)(6,7,9,10)(8,11,12,13)(14,15)(16,18)(17,19)(20,21)(22,23,26,28)(24,27,31,35)(25,29,32,36)(30,34,33,37);(7,10)(8,12)(14,16)(15,18)(17,20)(19,21)(24,30)(25,32)(27,34)(29,36)(31,33)(35,37);(8,12)(11,13)(15,19)(18,21)(22,24,26,31)(23,27,28,35)(25,33,32,30)(29,37,36,34);(6,8,9,12)(7,11,10,13)(16,20)(18,21)(23,28)(27,35)(29,36)(34,37)170 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 25755);