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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 43890c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
43890.c2 | 43890c1 | \([1, 1, 0, -33278, 11744628]\) | \(-4075827128160594409/57370565777817600\) | \(-57370565777817600\) | \([2]\) | \(456192\) | \(1.8972\) | \(\Gamma_0(N)\)-optimal |
43890.c1 | 43890c2 | \([1, 1, 0, -1006078, 386661748]\) | \(112620990763554763909609/446907448384911360\) | \(446907448384911360\) | \([2]\) | \(912384\) | \(2.2438\) |
Rank
sage: E.rank()
The elliptic curves in class 43890c have rank \(0\).
Complex multiplication
The elliptic curves in class 43890c do not have complex multiplication.Modular form 43890.2.a.c
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.