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SageMath
E = EllipticCurve("ba1")
E.isogeny_class()
Elliptic curves in class 225318ba
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
225318.l2 | 225318ba1 | \([1, 0, 1, -564446, -163209328]\) | \(1845026709625/793152\) | \(8549556196627008\) | \([2]\) | \(2384640\) | \(2.0172\) | \(\Gamma_0(N)\)-optimal |
225318.l3 | 225318ba2 | \([1, 0, 1, -476086, -216013264]\) | \(-1107111813625/1228691592\) | \(-13244331243099813768\) | \([2]\) | \(4769280\) | \(2.3638\) | |
225318.l1 | 225318ba3 | \([1, 0, 1, -1657901, 621056360]\) | \(46753267515625/11591221248\) | \(124944269758272110592\) | \([2]\) | \(7153920\) | \(2.5665\) | |
225318.l4 | 225318ba4 | \([1, 0, 1, 3997139, 3939433832]\) | \(655215969476375/1001033261568\) | \(-10790353077932652175872\) | \([2]\) | \(14307840\) | \(2.9131\) |
Rank
sage: E.rank()
The elliptic curves in class 225318ba have rank \(1\).
Complex multiplication
The elliptic curves in class 225318ba do not have complex multiplication.Modular form 225318.2.a.ba
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.