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SageMath
E = EllipticCurve("h1")
E.isogeny_class()
Elliptic curves in class 41745.h
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
41745.h1 | 41745z4 | \([1, 0, 0, -3646156, -2679050989]\) | \(3026030815665395929/1364501953125\) | \(2417298444580078125\) | \([2]\) | \(1536000\) | \(2.4852\) | |
41745.h2 | 41745z3 | \([1, 0, 0, -2004186, 1072928385]\) | \(502552788401502649/10024505152875\) | \(17759022373132387875\) | \([2]\) | \(1536000\) | \(2.4852\) | |
41745.h3 | 41745z2 | \([1, 0, 0, -264811, -27400240]\) | \(1159246431432649/488076890625\) | \(864657984432515625\) | \([2, 2]\) | \(768000\) | \(2.1386\) | |
41745.h4 | 41745z1 | \([1, 0, 0, 55234, -3140829]\) | \(10519294081031/8500170375\) | \(-15058570329705375\) | \([2]\) | \(384000\) | \(1.7921\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 41745.h have rank \(1\).
Complex multiplication
The elliptic curves in class 41745.h do not have complex multiplication.Modular form 41745.2.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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.