Properties

Label 425880u
Number of curves $4$
Conductor $425880$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("u1")
 
E.isogeny_class()
 

Elliptic curves in class 425880u

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
425880.u3 425880u1 \([0, 0, 0, -2456105223, -46850967803302]\) \(1819018058610682173904/4844385\) \(4363814270625788160\) \([2]\) \(115605504\) \(3.6977\) \(\Gamma_0(N)\)-optimal*
425880.u2 425880u2 \([0, 0, 0, -2456135643, -46849749232858]\) \(454771411897393003396/23468066028225\) \(84559985581622035101926400\) \([2, 2]\) \(231211008\) \(4.0442\) \(\Gamma_0(N)\)-optimal*
425880.u1 425880u3 \([0, 0, 0, -2590287843, -41446554734338]\) \(266716694084614489298/51372277695070605\) \(370208525573916982882806589440\) \([2]\) \(462422016\) \(4.3908\) \(\Gamma_0(N)\)-optimal*
425880.u4 425880u4 \([0, 0, 0, -2322470163, -52174955222962]\) \(-192245661431796830258/51935513760073125\) \(-374267422756018093050927360000\) \([2]\) \(462422016\) \(4.3908\)  
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 425880u1.

Rank

sage: E.rank()
 

The elliptic curves in class 425880u have rank \(0\).

Complex multiplication

The elliptic curves in class 425880u do not have complex multiplication.

Modular form 425880.2.a.u

sage: E.q_eigenform(10)
 
\(q - q^{5} - q^{7} + 6 q^{17} - 8 q^{19} + O(q^{20})\) Copy content Toggle raw display

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.

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.