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SageMath
E = EllipticCurve("k1")
E.isogeny_class()
Elliptic curves in class 49686.k
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
49686.k1 | 49686g2 | \([1, 1, 0, -133680355, 594847722253]\) | \(47490922375/384\) | \(2136225562247903747712\) | \([]\) | \(6849024\) | \(3.2641\) | |
49686.k2 | 49686g1 | \([1, 1, 0, -1728535, -875159501]\) | \(12079000375/4374\) | \(206826613868201418\) | \([]\) | \(978432\) | \(2.2912\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 49686.k have rank \(0\).
Complex multiplication
The elliptic curves in class 49686.k do not have complex multiplication.Modular form 49686.2.a.k
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.
\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.