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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 7623.i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
7623.i1 | 7623f1 | \([0, 0, 1, -97284, 11679192]\) | \(-78843215872/539\) | \(-696101235291\) | \([]\) | \(24000\) | \(1.4533\) | \(\Gamma_0(N)\)-optimal |
7623.i2 | 7623f2 | \([0, 0, 1, -53724, 22160817]\) | \(-13278380032/156590819\) | \(-202232026977976611\) | \([]\) | \(72000\) | \(2.0026\) | |
7623.i3 | 7623f3 | \([0, 0, 1, 479886, -573614748]\) | \(9463555063808/115539436859\) | \(-149215481859696469371\) | \([]\) | \(216000\) | \(2.5519\) |
Rank
sage: E.rank()
The elliptic curves in class 7623.i have rank \(1\).
Complex multiplication
The elliptic curves in class 7623.i do not have complex multiplication.Modular form 7623.2.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 LMFDB numbering.
\(\left(\begin{array}{rrr} 1 & 3 & 9 \\ 3 & 1 & 3 \\ 9 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.