Finite Group DatabasebetaFinite Group Databasebeta| order | 19908 |
| automorphism | ? |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | D63⋊D79 |
| unambiguous semidirect product | D553⋊D9 |
| unambiguous semidirect product | D711⋊D7 |
| Fitting, derived, Hall | C7×C9×C79 ⋊ C22 |
| Hall | C9×C79 ⋊ C2×D7 |
| Hall | C7×C79 ⋊ C2×D9 |
| Sylow | C79 ⋊ D7×D9 |
| Hall | C7×C9 ⋊ C2×D79 |
| Sylow | C9 ⋊ D7×D79 |
| Sylow | C7 ⋊ D9×D79 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, cosocle, hypocenter | C7×C9×C79 | C22 |
| Frattini | C3 | D21⋊D79 |
| socle | C3×C7×C79 | C2×D3 |
| LCS | G ▷ C7×C9×C79 | |
| UCS | C1 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 4977 |
Polycyclic presentation:
2^2,3,7,79,3|c^3=f^2,d^a=d^6,e^a=e^78,c^b=c^2f,d^b=d^6,f^b=f^21317 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(19908, 48);