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SageMath
E = EllipticCurve("bh1")
E.isogeny_class()
Elliptic curves in class 137904bh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
137904.o2 | 137904bh1 | \([0, -1, 0, -532913, -149559060]\) | \(216727177216000/2738853\) | \(211518724961232\) | \([2]\) | \(967680\) | \(1.8950\) | \(\Gamma_0(N)\)-optimal |
137904.o3 | 137904bh2 | \([0, -1, 0, -518548, -158017172]\) | \(-12479332642000/1526829993\) | \(-1886647488430678272\) | \([2]\) | \(1935360\) | \(2.2416\) | |
137904.o1 | 137904bh3 | \([0, -1, 0, -837113, 40073136]\) | \(840033089536000/477272151837\) | \(36859224286979170128\) | \([2]\) | \(2903040\) | \(2.4444\) | |
137904.o4 | 137904bh4 | \([0, -1, 0, 3314372, 315731740]\) | \(3258571509326000/1920843121977\) | \(-2373514974399150436608\) | \([2]\) | \(5806080\) | \(2.7909\) |
Rank
sage: E.rank()
The elliptic curves in class 137904bh have rank \(0\).
Complex multiplication
The elliptic curves in class 137904bh do not have complex multiplication.Modular form 137904.2.a.bh
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.