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SageMath
E = EllipticCurve("dx1")
E.isogeny_class()
Elliptic curves in class 76230dx
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
76230.dl4 | 76230dx1 | \([1, -1, 1, -217823, -33846073]\) | \(885012508801/127733760\) | \(164964059599933440\) | \([2]\) | \(737280\) | \(2.0291\) | \(\Gamma_0(N)\)-optimal |
76230.dl2 | 76230dx2 | \([1, -1, 1, -3354143, -2363504569]\) | \(3231355012744321/85377600\) | \(110262435670094400\) | \([2, 2]\) | \(1474560\) | \(2.3756\) | |
76230.dl3 | 76230dx3 | \([1, -1, 1, -3223463, -2556231433]\) | \(-2868190647517441/527295615000\) | \(-680985396966655935000\) | \([2]\) | \(2949120\) | \(2.7222\) | |
76230.dl1 | 76230dx4 | \([1, -1, 1, -53665943, -151306557289]\) | \(13235378341603461121/9240\) | \(11933164033560\) | \([2]\) | \(2949120\) | \(2.7222\) |
Rank
sage: E.rank()
The elliptic curves in class 76230dx have rank \(1\).
Complex multiplication
The elliptic curves in class 76230dx do not have complex multiplication.Modular form 76230.2.a.dx
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.