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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 206310.i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
206310.i1 | 206310cr2 | \([1, 1, 0, -20087463, -34653632307]\) | \(497678055202223/121875000\) | \(219515480615803125000\) | \([2]\) | \(18653184\) | \(2.8914\) | |
206310.i2 | 206310cr1 | \([1, 1, 0, -1106943, -674705403]\) | \(-83281698863/60840000\) | \(-109582127923408920000\) | \([2]\) | \(9326592\) | \(2.5448\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 206310.i have rank \(1\).
Complex multiplication
The elliptic curves in class 206310.i do not have complex multiplication.Modular form 206310.2.a.i
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.