Show commands:
SageMath
E = EllipticCurve("z1")
E.isogeny_class()
Elliptic curves in class 151725z
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
151725.x2 | 151725z1 | \([1, 1, 1, -1638, 12906]\) | \(50653/21\) | \(201509765625\) | \([2]\) | \(204800\) | \(0.86635\) | \(\Gamma_0(N)\)-optimal |
151725.x1 | 151725z2 | \([1, 1, 1, -12263, -518344]\) | \(21253933/441\) | \(4231705078125\) | \([2]\) | \(409600\) | \(1.2129\) |
Rank
sage: E.rank()
The elliptic curves in class 151725z have rank \(1\).
Complex multiplication
The elliptic curves in class 151725z do not have complex multiplication.Modular form 151725.2.a.z
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.