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SageMath
E = EllipticCurve("ey1")
E.isogeny_class()
Elliptic curves in class 221760ey
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
221760.cz2 | 221760ey1 | \([0, 0, 0, -48, -7418]\) | \(-262144/509355\) | \(-23764466880\) | \([]\) | \(165888\) | \(0.66992\) | \(\Gamma_0(N)\)-optimal |
221760.cz1 | 221760ey2 | \([0, 0, 0, -30288, -2028962]\) | \(-65860951343104/3493875\) | \(-163010232000\) | \([]\) | \(497664\) | \(1.2192\) |
Rank
sage: E.rank()
The elliptic curves in class 221760ey have rank \(0\).
Complex multiplication
The elliptic curves in class 221760ey do not have complex multiplication.Modular form 221760.2.a.ey
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.