Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| automorphism | ? |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C2 |
No aliases for this group.
| Sylow | C5 ⋊ #7225 |
192 conjugacy classes of subgroups; only the 46 normal subgroups are shown.
This group has 192 conjugacy classes of subgroups — too many to draw. Only its 46 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| transitive degree | μt(G) = 80 |
Polycyclic presentation:
2^8,5|a^2=d,b^2=e,c^2=fgh,e^2=g,f^2=h,b^a=bc,c^a=cf,e^a=efgh,g^a=gh,d^b=dg,i^b=i^2,d^c=dh,i^e=i^462 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 1084025);