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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 3696.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
3696.y1 | 3696ba2 | \([0, 1, 0, -1688, 24852]\) | \(129938649625/7072758\) | \(28970016768\) | \([2]\) | \(3072\) | \(0.76336\) | |
3696.y2 | 3696ba1 | \([0, 1, 0, 72, 1620]\) | \(9938375/274428\) | \(-1124057088\) | \([2]\) | \(1536\) | \(0.41678\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 3696.y have rank \(1\).
Complex multiplication
The elliptic curves in class 3696.y do not have complex multiplication.Modular form 3696.2.a.y
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.