Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #32712 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#32754 |
| 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 | |
648 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)(8,10)(9,11)(12,13)(14,15,17,20)(16,19,21,18)(22,23,26,28)(24,27,32,35)(25,29,33,37)(30,34,31,36);(6,8)(7,10)(9,12)(11,13)(14,16,17,21)(15,18,20,19)(22,24)(23,27)(25,30)(26,32)(28,35)(29,34)(31,33)(36,37);(7,11)(10,13)(14,16)(15,19)(17,21)(18,20)(24,30)(25,33)(27,34)(29,37)(31,32)(35,36);(8,12)(10,13)(16,21)(18,19)(23,28)(27,35)(29,37)(34,36)170 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 25742);