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SageMath
E = EllipticCurve("bn1")
E.isogeny_class()
Elliptic curves in class 47190.bn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
47190.bn1 | 47190bq4 | \([1, 1, 1, -4615971, 3815255379]\) | \(6139836723518159689/3799803150\) | \(6731583068217150\) | \([2]\) | \(1474560\) | \(2.3580\) | |
47190.bn2 | 47190bq3 | \([1, 1, 1, -649591, -116167237]\) | \(17111482619973769/6627044531250\) | \(11740213636825781250\) | \([2]\) | \(1474560\) | \(2.3580\) | |
47190.bn3 | 47190bq2 | \([1, 1, 1, -290221, 58774079]\) | \(1525998818291689/37268302500\) | \(66023071245202500\) | \([2, 2]\) | \(737280\) | \(2.0115\) | |
47190.bn4 | 47190bq1 | \([1, 1, 1, 2599, 2904023]\) | \(1095912791/2055596400\) | \(-3641614413980400\) | \([2]\) | \(368640\) | \(1.6649\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 47190.bn have rank \(1\).
Complex multiplication
The elliptic curves in class 47190.bn do not have complex multiplication.Modular form 47190.2.a.bn
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.