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SageMath
E = EllipticCurve("h1")
E.isogeny_class()
Elliptic curves in class 1248.h
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
1248.h1 | 1248d2 | \([0, 1, 0, -1313, 17871]\) | \(61162984000/41067\) | \(168210432\) | \([2]\) | \(640\) | \(0.51681\) | |
1248.h2 | 1248d1 | \([0, 1, 0, -98, 132]\) | \(1643032000/767637\) | \(49128768\) | \([2]\) | \(320\) | \(0.17024\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 1248.h have rank \(1\).
Complex multiplication
The elliptic curves in class 1248.h do not have complex multiplication.Modular form 1248.2.a.h
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.