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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 16650.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
16650.y1 | 16650j1 | \([1, -1, 0, -12042, -505634]\) | \(-16954786009/370\) | \(-4214531250\) | \([]\) | \(20736\) | \(0.96281\) | \(\Gamma_0(N)\)-optimal |
16650.y2 | 16650j2 | \([1, -1, 0, -4167, -1159259]\) | \(-702595369/50653000\) | \(-576969328125000\) | \([]\) | \(62208\) | \(1.5121\) | |
16650.y3 | 16650j3 | \([1, -1, 0, 37458, 31100116]\) | \(510273943271/37000000000\) | \(-421453125000000000\) | \([]\) | \(186624\) | \(2.0614\) |
Rank
sage: E.rank()
The elliptic curves in class 16650.y have rank \(0\).
Complex multiplication
The elliptic curves in class 16650.y do not have complex multiplication.Modular form 16650.2.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.
\(\left(\begin{array}{rrr} 1 & 3 & 9 \\ 3 & 1 & 3 \\ 9 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.