Properties

Label 475.c
Number of curves $2$
Conductor $475$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("c1")
 
E.isogeny_class()
 

Elliptic curves in class 475.c

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
475.c1 475b2 \([1, -1, 0, -617, 5916]\) \(13312053/361\) \(705078125\) \([2]\) \(160\) \(0.47806\)  
475.c2 475b1 \([1, -1, 0, 8, 291]\) \(27/19\) \(-37109375\) \([2]\) \(80\) \(0.13149\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 475.c have rank \(1\).

Complex multiplication

The elliptic curves in class 475.c do not have complex multiplication.

Modular form 475.2.a.c

sage: E.q_eigenform(10)
 
\(q + q^{2} - q^{4} - 2 q^{7} - 3 q^{8} - 3 q^{9} - 4 q^{11} + 2 q^{13} - 2 q^{14} - q^{16} - 4 q^{17} - 3 q^{18} + q^{19} + O(q^{20})\) 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 LMFDB 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 LMFDB labels.