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×#32854 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23×C5 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24×C5 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C5×#376 ◁ G | |
510 conjugacy classes of subgroups.
| minimal degree | μ(G) = 45 |
| transitive degree | μt(G) = 1280 |
A minimal faithful permutation representation — 4 generators on 45 points:
(1,2,3,4,5)(7,8)(11,12)(14,15,18,21)(16,22,24,19)(17,20,26,29)(23,28,25,27)(30,31)(32,35)(33,37)(34,36)(38,42)(39,44)(40,43)(41,45);(6,7,10,8)(9,11,13,12)(14,16,18,24)(15,19,21,22)(17,25,26,23)(20,28,29,27)(30,32)(31,35)(33,38)(34,40)(36,43)(37,42)(39,41)(44,45);(6,8,10,7)(9,11,13,12)(17,26)(20,29)(23,25)(27,28)(32,38)(33,41)(35,42)(37,45)(39,40)(43,44);(6,9,10,13)(7,11,8,12)(14,17,18,26)(15,20,21,29)(16,23,24,25)(19,27,22,28)(31,36)(35,43)(37,45)(42,44)170 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 25842);