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SageMath
E = EllipticCurve("bc1")
E.isogeny_class()
Elliptic curves in class 59248.bc
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
59248.bc1 | 59248n2 | \([0, -1, 0, -287952, 57784688]\) | \(1431644/49\) | \(90374635941567488\) | \([2]\) | \(494592\) | \(2.0254\) | |
59248.bc2 | 59248n1 | \([0, -1, 0, -44612, -2368960]\) | \(21296/7\) | \(3227665569341696\) | \([2]\) | \(247296\) | \(1.6789\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 59248.bc have rank \(1\).
Complex multiplication
The elliptic curves in class 59248.bc do not have complex multiplication.Modular form 59248.2.a.bc
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.