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SageMath
E = EllipticCurve("bn1")
E.isogeny_class()
Elliptic curves in class 412090bn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
412090.bn1 | 412090bn1 | \([1, -1, 0, -110749, -14158327]\) | \(-5154200289/20\) | \(-582926854580\) | \([]\) | \(2751840\) | \(1.4708\) | \(\Gamma_0(N)\)-optimal* |
412090.bn2 | 412090bn2 | \([1, -1, 0, 772301, 134406005]\) | \(1747829720511/1280000000\) | \(-37307318693120000000\) | \([]\) | \(19262880\) | \(2.4438\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 412090bn have rank \(1\).
Complex multiplication
The elliptic curves in class 412090bn do not have complex multiplication.Modular form 412090.2.a.bn
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.
\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.