Show commands:
SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 86190.b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
86190.b1 | 86190c4 | \([1, 1, 0, -12948783, 17898665517]\) | \(49745123032831462081/97939634471640\) | \(472735909124422196760\) | \([2]\) | \(7741440\) | \(2.8552\) | |
86190.b2 | 86190c3 | \([1, 1, 0, -10853183, -13695181443]\) | \(29291056630578924481/175463302795560\) | \(846927849103334168040\) | \([2]\) | \(7741440\) | \(2.8552\) | |
86190.b3 | 86190c2 | \([1, 1, 0, -1084983, 72119637]\) | \(29263955267177281/16463793153600\) | \(79467584967934862400\) | \([2, 2]\) | \(3870720\) | \(2.5086\) | |
86190.b4 | 86190c1 | \([1, 1, 0, 267017, 9116437]\) | \(436192097814719/259683840000\) | \(-1253444296066560000\) | \([2]\) | \(1935360\) | \(2.1620\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 86190.b have rank \(1\).
Complex multiplication
The elliptic curves in class 86190.b do not have complex multiplication.Modular form 86190.2.a.b
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the LMFDB numbering.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.