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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 206400.i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
206400.i1 | 206400dt4 | \([0, -1, 0, -109633, -3552863]\) | \(284630612552/153846045\) | \(78769175040000000\) | \([2]\) | \(1769472\) | \(1.9331\) | |
206400.i2 | 206400dt2 | \([0, -1, 0, -64633, 6302137]\) | \(466566337216/3744225\) | \(239630400000000\) | \([2, 2]\) | \(884736\) | \(1.5866\) | |
206400.i3 | 206400dt1 | \([0, -1, 0, -64508, 6327762]\) | \(29687332481344/1935\) | \(1935000000\) | \([2]\) | \(442368\) | \(1.2400\) | \(\Gamma_0(N)\)-optimal |
206400.i4 | 206400dt3 | \([0, -1, 0, -21633, 14515137]\) | \(-2186875592/176326875\) | \(-90279360000000000\) | \([2]\) | \(1769472\) | \(1.9331\) |
Rank
sage: E.rank()
The elliptic curves in class 206400.i have rank \(1\).
Complex multiplication
The elliptic curves in class 206400.i do not have complex multiplication.Modular form 206400.2.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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.