Show commands:
SageMath
E = EllipticCurve("cd1")
E.isogeny_class()
Elliptic curves in class 436425cd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
436425.cd2 | 436425cd1 | \([1, 0, 1, -304451, 940225673]\) | \(-1349232625/164333367\) | \(-380113063690754109375\) | \([2]\) | \(12165120\) | \(2.6284\) | \(\Gamma_0(N)\)-optimal* |
436425.cd1 | 436425cd2 | \([1, 0, 1, -16372826, 25299882173]\) | \(209849322390625/1882056627\) | \(4353311342598225046875\) | \([2]\) | \(24330240\) | \(2.9750\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 436425cd have rank \(1\).
Complex multiplication
The elliptic curves in class 436425cd do not have complex multiplication.Modular form 436425.2.a.cd
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 Cremona numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.