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SageMath
E = EllipticCurve("d1")
E.isogeny_class()
Elliptic curves in class 201243d
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
201243.b2 | 201243d1 | \([0, -1, 1, -3194, -74446]\) | \(-28672/3\) | \(-377161782123\) | \([]\) | \(309960\) | \(0.96037\) | \(\Gamma_0(N)\)-optimal |
201243.b1 | 201243d2 | \([0, -1, 1, -1248984, 538106834]\) | \(-1713910976512/1594323\) | \(-200439234653229243\) | \([]\) | \(4029480\) | \(2.2428\) |
Rank
sage: E.rank()
The elliptic curves in class 201243d have rank \(0\).
Complex multiplication
The elliptic curves in class 201243d do not have complex multiplication.Modular form 201243.2.a.d
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.
\(\left(\begin{array}{rr} 1 & 13 \\ 13 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.