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SageMath
E = EllipticCurve("gb1")
E.isogeny_class()
Elliptic curves in class 439824gb
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
439824.gb1 | 439824gb1 | \([0, 1, 0, -708752, 227610900]\) | \(81706955619457/744505344\) | \(358769906549784576\) | \([2]\) | \(7741440\) | \(2.1907\) | \(\Gamma_0(N)\)-optimal |
439824.gb2 | 439824gb2 | \([0, 1, 0, -206992, 544121108]\) | \(-2035346265217/264305213568\) | \(-127366119715068444672\) | \([2]\) | \(15482880\) | \(2.5372\) |
Rank
sage: E.rank()
The elliptic curves in class 439824gb have rank \(0\).
Complex multiplication
The elliptic curves in class 439824gb do not have complex multiplication.Modular form 439824.2.a.gb
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.