Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4 |
| unambiguous semidirect product | D5⋊#1980 |
| Fitting | C5×#532 ⋊ C4 |
| Sylow | C5 ⋊ C2×#1980 |
1746 conjugacy classes of subgroups.
| transitive degree | μt(G) = 160 |
Polycyclic presentation:
2^8,5|a^2=g,b^2=eg,c^2=f,e^2=h,b^a=be,c^a=cf,i^a=i^3,e^b=eh,g^b=gh,i^b=i^2,i^d=i^4,i^g=i^4104 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 1105875);