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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 1734b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
1734.b2 | 1734b1 | \([1, 1, 0, -73845, 7690221]\) | \(1845026709625/793152\) | \(19144761127488\) | \([2]\) | \(6912\) | \(1.5087\) | \(\Gamma_0(N)\)-optimal |
1734.b3 | 1734b2 | \([1, 1, 0, -62285, 10194117]\) | \(-1107111813625/1228691592\) | \(-29657628081619848\) | \([2]\) | \(13824\) | \(1.8553\) | |
1734.b1 | 1734b3 | \([1, 1, 0, -216900, -29485872]\) | \(46753267515625/11591221248\) | \(279783902667866112\) | \([2]\) | \(20736\) | \(2.0580\) | |
1734.b4 | 1734b4 | \([1, 1, 0, 522940, -186183984]\) | \(655215969476375/1001033261568\) | \(-24162509422392648192\) | \([2]\) | \(41472\) | \(2.4046\) |
Rank
sage: E.rank()
The elliptic curves in class 1734b have rank \(1\).
Complex multiplication
The elliptic curves in class 1734b do not have complex multiplication.Modular form 1734.2.a.b
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 Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.