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SageMath
E = EllipticCurve("bv1")
E.isogeny_class()
Elliptic curves in class 159120.bv
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
159120.bv1 | 159120ef1 | \([0, 0, 0, -879303, -307864442]\) | \(402876451435348816/13746755117745\) | \(2565474427094042880\) | \([2]\) | \(2949120\) | \(2.3044\) | \(\Gamma_0(N)\)-optimal |
159120.bv2 | 159120ef2 | \([0, 0, 0, 301677, -1073375678]\) | \(4067455675907516/669098843633025\) | \(-499479610376678630400\) | \([2]\) | \(5898240\) | \(2.6510\) |
Rank
sage: E.rank()
The elliptic curves in class 159120.bv have rank \(1\).
Complex multiplication
The elliptic curves in class 159120.bv do not have complex multiplication.Modular form 159120.2.a.bv
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.