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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 43890.i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
43890.i1 | 43890j2 | \([1, 1, 0, -9708827, -11569261251]\) | \(101210150259076153188834361/788866217183097900000\) | \(788866217183097900000\) | \([2]\) | \(3225600\) | \(2.8383\) | |
43890.i2 | 43890j1 | \([1, 1, 0, -208827, -414361251]\) | \(-1007133193922700834361/73558367190000000000\) | \(-73558367190000000000\) | \([2]\) | \(1612800\) | \(2.4918\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 43890.i have rank \(0\).
Complex multiplication
The elliptic curves in class 43890.i do not have complex multiplication.Modular form 43890.2.a.i
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.