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SageMath
E = EllipticCurve("d1")
E.isogeny_class()
Elliptic curves in class 22743.d
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
22743.d1 | 22743p2 | \([1, -1, 1, -156020, 20444744]\) | \(12246522625/1842183\) | \(63180332082504567\) | \([2]\) | \(138240\) | \(1.9479\) | |
22743.d2 | 22743p1 | \([1, -1, 1, -42305, -3026032]\) | \(244140625/25137\) | \(862109794498113\) | \([2]\) | \(69120\) | \(1.6013\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 22743.d have rank \(0\).
Complex multiplication
The elliptic curves in class 22743.d do not have complex multiplication.Modular form 22743.2.a.d
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.