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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 28314y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
28314.q2 | 28314y1 | \([1, -1, 0, -567, -2403]\) | \(1890625/832\) | \(8880176448\) | \([]\) | \(20160\) | \(0.60475\) | \(\Gamma_0(N)\)-optimal |
28314.q1 | 28314y2 | \([1, -1, 0, -22347, 1291329]\) | \(115636266625/8788\) | \(93796863732\) | \([3]\) | \(60480\) | \(1.1541\) |
Rank
sage: E.rank()
The elliptic curves in class 28314y have rank \(0\).
Complex multiplication
The elliptic curves in class 28314y do not have complex multiplication.Modular form 28314.2.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 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.