Finite Group DatabasebetaFinite Group Databasebeta| order | 20704 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C8 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | C4⋊(C647⋊C8) |
| Sylow | C647 ⋊ C4⋊C8 |
38 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20704 |
Polycyclic presentation:
2^5,647|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^6465188 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20704, 76);