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SageMath
E = EllipticCurve("t1")
E.isogeny_class()
Elliptic curves in class 453152t
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality | CM discriminant |
---|---|---|---|---|---|---|---|---|---|
453152.t1 | 453152t1 | \([0, 0, 0, -240737, 0]\) | \(1728\) | \(892911685247715392\) | \([2]\) | \(6684672\) | \(2.1339\) | \(\Gamma_0(N)\)-optimal | \(-4\) |
453152.t2 | 453152t2 | \([0, 0, 0, 962948, 0]\) | \(1728\) | \(-57146347855853785088\) | \([2]\) | \(13369344\) | \(2.4805\) | \(-4\) |
Rank
sage: E.rank()
The elliptic curves in class 453152t have rank \(1\).
Complex multiplication
Each elliptic curve in class 453152t has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-1}) \).Modular form 453152.2.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 Cremona numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.