Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1510 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5×C8 · Schur multiplier (H2) = C22 |
| direct product | C5×#11627 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C5 | C2×C22⋊C4 |
| commutator | C2×C4 | C22×C5×C8 |
| Frattini, cosocle | C4×C8 | C23×C5 |
| socle | C22×C5 | C2×C22⋊C8 |
| prime radical | C5×#121 | C8 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C5 ◁ C2×C4×C5×C8 ◁ G | |
306 conjugacy classes of subgroups.
| minimal degree | μ(G) = 45 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 45 points:
(1,2,3,4,5)(7,10)(8,12)(11,13)(14,15,17,22,19,23,30,37,18,21,29,34,31,35,42,44)(16,24,26,36,27,38,40,45,25,20,28,32,39,33,41,43);(6,7)(8,13)(9,11)(10,12)(14,16)(15,20)(17,28)(18,25)(19,27)(21,24)(22,36)(23,33)(26,29)(30,41)(31,39)(32,34)(35,38)(37,45)(40,42)(43,44);(7,11)(10,13)(15,21)(16,25)(22,34)(23,35)(26,28)(27,39)(37,44)(40,41)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 4615);