Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C8 · Schur multiplier (H2) = C26 |
| unambiguous semidirect product | D5⋊#2115 |
| Sylow | C5 ⋊ C2×#2115 |
1154 conjugacy classes of subgroups.
| transitive degree | μt(G) = 160 |
Polycyclic presentation:
2^8,5|a^2=f,f^2=g,g^2=h,b^a=be,e^a=eh,i^a=i^2,c^b=ch,f^b=fh,i^d=i^4,i^f=i^4128 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 1113434);