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SageMath
E = EllipticCurve("dr1")
E.isogeny_class()
Elliptic curves in class 286650dr
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
286650.dr4 | 286650dr1 | \([1, -1, 0, -3180942, 3608293716]\) | \(-2656166199049/2658140160\) | \(-3562162040586240000000\) | \([2]\) | \(17694720\) | \(2.8311\) | \(\Gamma_0(N)\)-optimal |
286650.dr3 | 286650dr2 | \([1, -1, 0, -59628942, 177185893716]\) | \(17496824387403529/6580454400\) | \(8818438254771600000000\) | \([2, 2]\) | \(35389440\) | \(3.1777\) | |
286650.dr1 | 286650dr3 | \([1, -1, 0, -953976942, 11341331977716]\) | \(71647584155243142409/10140000\) | \(13588569795937500000\) | \([2]\) | \(70778880\) | \(3.5242\) | |
286650.dr2 | 286650dr4 | \([1, -1, 0, -68448942, 121328833716]\) | \(26465989780414729/10571870144160\) | \(14167317093442406302500000\) | \([2]\) | \(70778880\) | \(3.5242\) |
Rank
sage: E.rank()
The elliptic curves in class 286650dr have rank \(1\).
Complex multiplication
The elliptic curves in class 286650dr do not have complex multiplication.Modular form 286650.2.a.dr
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.