Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Sylow | C5 ⋊ #11917 |
280 conjugacy classes of subgroups; only the 79 normal subgroups are shown.
This group has 280 conjugacy classes of subgroups — too many to draw. Only its 79 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| transitive degree | μt(G) = 160 |
Polycyclic presentation:
2^8,5|a^2=e,c^2=h,d^2=g,e^2=f,f^2=h,b^a=bd,c^a=cg,d^a=df,g^a=gh,i^a=i^4,d^b=dg,e^b=efgh,f^b=fh,e^c=eh,e^d=eh92 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 80769);