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SageMath
E = EllipticCurve("g1")
E.isogeny_class()
Elliptic curves in class 2415.g
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2415.g1 | 2415d1 | \([0, 1, 1, -21, 110]\) | \(-1073741824/5325075\) | \(-5325075\) | \([3]\) | \(432\) | \(-0.024906\) | \(\Gamma_0(N)\)-optimal |
2415.g2 | 2415d2 | \([0, 1, 1, 189, -2809]\) | \(742692847616/3992296875\) | \(-3992296875\) | \([]\) | \(1296\) | \(0.52440\) |
Rank
sage: E.rank()
The elliptic curves in class 2415.g have rank \(1\).
Complex multiplication
The elliptic curves in class 2415.g do not have complex multiplication.Modular form 2415.2.a.g
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.