Finite Group DatabasebetaFinite Group Databasebeta| order | 22990 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C5 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C19⋊(D121⋊C5) |
| unambiguous semidirect product | (C121⋊C5)⋊D19 |
| unambiguous semidirect product | D2299⋊C5 |
| Fitting, derived, Hall | C19×C121 ⋊ C2×C5 |
| Hall | C19×C121⋊C5 ⋊ C2 |
| Hall | D2299 ⋊ C5 |
| Hall | C121⋊C5 ⋊ D19 |
| Sylow | C121 ⋊ C5×D19 |
| Sylow | C19 ⋊ D121⋊C5 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C1 | G |
| commutator, Fitting, cosocle, hypocenter | C19×C121 | C2×C5 |
| Frattini | C11 | C19⋊AGL(1,𝔽11) |
| socle | C11×C19 | AGL(1,𝔽11) |
| LCS | G ▷ C19×C121 | |
| UCS | C1 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 2299 |
Polycyclic presentation:
2,5,11,19,11|c^11=e^10,c^a=c^10e,d^a=d^18,e^a=e^10,c^b=c^4e^4,e^b=e^4283 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(22990, 12);