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SageMath
E = EllipticCurve("v1")
E.isogeny_class()
Elliptic curves in class 38115.v
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
38115.v1 | 38115k4 | \([1, -1, 0, -122535, -16477884]\) | \(157551496201/13125\) | \(16950517093125\) | \([2]\) | \(184320\) | \(1.5823\) | |
38115.v2 | 38115k2 | \([1, -1, 0, -8190, -218025]\) | \(47045881/11025\) | \(14238434358225\) | \([2, 2]\) | \(92160\) | \(1.2357\) | |
38115.v3 | 38115k1 | \([1, -1, 0, -2745, 53136]\) | \(1771561/105\) | \(135604136745\) | \([2]\) | \(46080\) | \(0.88914\) | \(\Gamma_0(N)\)-optimal |
38115.v4 | 38115k3 | \([1, -1, 0, 19035, -1377810]\) | \(590589719/972405\) | \(-1255829910395445\) | \([2]\) | \(184320\) | \(1.5823\) |
Rank
sage: E.rank()
The elliptic curves in class 38115.v have rank \(1\).
Complex multiplication
The elliptic curves in class 38115.v do not have complex multiplication.Modular form 38115.2.a.v
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.