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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 130130i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
130130.i3 | 130130i1 | \([1, 0, 1, -451403, 35166198]\) | \(2107441550633329/1108665958400\) | \(5351318825998745600\) | \([2]\) | \(3773952\) | \(2.2853\) | \(\Gamma_0(N)\)-optimal |
130130.i4 | 130130i2 | \([1, 0, 1, 1711797, 274848758]\) | \(114926649504265871/73262465436160\) | \(-353623927529446013440\) | \([2]\) | \(7547904\) | \(2.6319\) | |
130130.i1 | 130130i3 | \([1, 0, 1, -20839563, -36617683594]\) | \(207362104287019679089/5934929000000\) | \(28646768711561000000\) | \([2]\) | \(11321856\) | \(2.8346\) | |
130130.i2 | 130130i4 | \([1, 0, 1, -19994563, -39722889594]\) | \(-183146792453150159089/35223382235041000\) | \(-170016538382536014169000\) | \([2]\) | \(22643712\) | \(3.1812\) |
Rank
sage: E.rank()
The elliptic curves in class 130130i have rank \(1\).
Complex multiplication
The elliptic curves in class 130130i do not have complex multiplication.Modular form 130130.2.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 Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.