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SageMath
E = EllipticCurve("a1")
E.isogeny_class()
Elliptic curves in class 2873.a
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2873.a1 | 2873c1 | \([1, 1, 1, -10059, 384080]\) | \(23320116793/2873\) | \(13867422257\) | \([2]\) | \(4032\) | \(0.96946\) | \(\Gamma_0(N)\)-optimal |
2873.a2 | 2873c2 | \([1, 1, 1, -9214, 452356]\) | \(-17923019113/8254129\) | \(-39841104144361\) | \([2]\) | \(8064\) | \(1.3160\) |
Rank
sage: E.rank()
The elliptic curves in class 2873.a have rank \(0\).
Complex multiplication
The elliptic curves in class 2873.a do not have complex multiplication.Modular form 2873.2.a.a
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.