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SageMath
E = EllipticCurve("q1")
E.isogeny_class()
Elliptic curves in class 80850.q
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
80850.q1 | 80850n1 | \([1, 1, 0, -6118900, 5823029500]\) | \(13782741913468081/701662500\) | \(1289842054101562500\) | \([2]\) | \(3317760\) | \(2.5451\) | \(\Gamma_0(N)\)-optimal |
80850.q2 | 80850n2 | \([1, 1, 0, -5788150, 6480891250]\) | \(-11666347147400401/3126621093750\) | \(-5747560079040527343750\) | \([2]\) | \(6635520\) | \(2.8917\) |
Rank
sage: E.rank()
The elliptic curves in class 80850.q have rank \(2\).
Complex multiplication
The elliptic curves in class 80850.q do not have complex multiplication.Modular form 80850.2.a.q
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.