Finite Group DatabasebetaFinite Group Databasebeta| order | 2000 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | Dic100⋊C5 |
| Sylow | 5−1+2 ⋊ Q16 |
62 conjugacy classes of subgroups.
| transitive degree | μt(G) = 400 |
Polycyclic presentation:
2^2,5,2^2,5^2|a^2=e,b^2=de,d^2=e,f^5=g,b^a=bd,d^a=de,f^a=f^4g^4,g^a=g^4,f^c=fg^4131 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(2000, 129);