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SageMath
E = EllipticCurve("t1")
E.isogeny_class()
Elliptic curves in class 163254.t
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
163254.t1 | 163254dt4 | \([1, 1, 0, -45275779, -117278089547]\) | \(2126480513962938771457/50232\) | \(242460269688\) | \([2]\) | \(6193152\) | \(2.6334\) | |
163254.t2 | 163254dt2 | \([1, 1, 0, -2829739, -1833349955]\) | \(519162098474388097/2523253824\) | \(12179264266967616\) | \([2, 2]\) | \(3096576\) | \(2.2868\) | |
163254.t3 | 163254dt3 | \([1, 1, 0, -2782419, -1897563195]\) | \(-493550314554076417/36254156001336\) | \(-174991886474652616824\) | \([2]\) | \(6193152\) | \(2.6334\) | |
163254.t4 | 163254dt1 | \([1, 1, 0, -179819, -27694467]\) | \(133221434726017/8821542912\) | \(42579902721527808\) | \([2]\) | \(1548288\) | \(1.9403\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 163254.t have rank \(1\).
Complex multiplication
The elliptic curves in class 163254.t do not have complex multiplication.Modular form 163254.2.a.t
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.