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SageMath
E = EllipticCurve("f1")
E.isogeny_class()
Elliptic curves in class 397800.f
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
397800.f1 | 397800f3 | \([0, 0, 0, -57285075, 166882324750]\) | \(891190736491222802/3729375\) | \(86998860000000000\) | \([2]\) | \(23592960\) | \(2.8819\) | |
397800.f2 | 397800f2 | \([0, 0, 0, -3582075, 2604847750]\) | \(435792975088324/890127225\) | \(10382443952400000000\) | \([2, 2]\) | \(11796480\) | \(2.5353\) | |
397800.f3 | 397800f4 | \([0, 0, 0, -2367075, 4399402750]\) | \(-62875617222962/322034842935\) | \(-7512428815987680000000\) | \([2]\) | \(23592960\) | \(2.8819\) | |
397800.f4 | 397800f1 | \([0, 0, 0, -301575, 9972250]\) | \(1040212820176/587242305\) | \(1712398561380000000\) | \([2]\) | \(5898240\) | \(2.1887\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 397800.f have rank \(1\).
Complex multiplication
The elliptic curves in class 397800.f do not have complex multiplication.Modular form 397800.2.a.f
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.