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SageMath
E = EllipticCurve("bx1")
E.isogeny_class()
Elliptic curves in class 28050bx
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
28050.ci1 | 28050bx1 | \([1, 1, 1, -212588, 37638281]\) | \(68001744211490809/1022422500\) | \(15975351562500\) | \([2]\) | \(193536\) | \(1.6701\) | \(\Gamma_0(N)\)-optimal |
28050.ci2 | 28050bx2 | \([1, 1, 1, -206338, 39963281]\) | \(-62178675647294809/8362782148050\) | \(-130668471063281250\) | \([2]\) | \(387072\) | \(2.0167\) |
Rank
sage: E.rank()
The elliptic curves in class 28050bx have rank \(0\).
Complex multiplication
The elliptic curves in class 28050bx do not have complex multiplication.Modular form 28050.2.a.bx
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.