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SageMath
E = EllipticCurve("fn1")
E.isogeny_class()
Elliptic curves in class 111600fn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
111600.i3 | 111600fn1 | \([0, 0, 0, -36075, -2627750]\) | \(111284641/465\) | \(21695040000000\) | \([2]\) | \(393216\) | \(1.4138\) | \(\Gamma_0(N)\)-optimal |
111600.i2 | 111600fn2 | \([0, 0, 0, -54075, 270250]\) | \(374805361/216225\) | \(10088193600000000\) | \([2, 2]\) | \(786432\) | \(1.7604\) | |
111600.i4 | 111600fn3 | \([0, 0, 0, 215925, 2160250]\) | \(23862997439/13852815\) | \(-646316936640000000\) | \([4]\) | \(1572864\) | \(2.1070\) | |
111600.i1 | 111600fn4 | \([0, 0, 0, -612075, 183852250]\) | \(543538277281/1569375\) | \(73220760000000000\) | \([2]\) | \(1572864\) | \(2.1070\) |
Rank
sage: E.rank()
The elliptic curves in class 111600fn have rank \(2\).
Complex multiplication
The elliptic curves in class 111600fn do not have complex multiplication.Modular form 111600.2.a.fn
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.