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SageMath
E = EllipticCurve("ch1")
E.isogeny_class()
Elliptic curves in class 112530ch
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
112530.cc2 | 112530ch1 | \([1, 1, 1, 270735, -239871345]\) | \(1238798620042199/14760960000000\) | \(-26149941058560000000\) | \([2]\) | \(3440640\) | \(2.4068\) | \(\Gamma_0(N)\)-optimal |
112530.cc1 | 112530ch2 | \([1, 1, 1, -4530545, -3464410993]\) | \(5805223604235668521/435937500000000\) | \(772289873437500000000\) | \([2]\) | \(6881280\) | \(2.7533\) |
Rank
sage: E.rank()
The elliptic curves in class 112530ch have rank \(1\).
Complex multiplication
The elliptic curves in class 112530ch do not have complex multiplication.Modular form 112530.2.a.ch
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.