Properties

Base field \(\Q(\sqrt{3}) \)
Label 2.2.12.1-288.1-b
Number of curves 6
Graph
Conductor 288.1
Rank \( 0 \)

Related objects

Downloads

Learn more

Show commands: SageMath

Base field \(\Q(\sqrt{3}) \)

Copy content comment:Define the base number field
 
Copy content sage:R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([-3, 0, 1]))
 
Copy content pari:K = nfinit(Polrev(%s));
 
Copy content magma:R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R!%s);
 
Copy content oscar:Qx, x = polynomial_ring(QQ); K, a = number_field(Qx(%s))
 

Generator \(a\), with minimal polynomial \( x^{2} - 3 \); class number \(1\).

Copy content comment:Define the isogeny class
 
Copy content sage:E = EllipticCurve([K([1,1]),K([-1,-1]),K([1,1]),K([-140,-79]),K([-2881,-1664])]) E.isogeny_class()
 

Rank

Copy content comment:Compute the Mordell-Weil rank
 
Copy content sage:E.rank()
 
Copy content magma:Rank(E);
 

The elliptic curves in class 288.1-b have rank \( 0 \).

Isogeny matrix

Copy content comment:Isogeny matrix
 
Copy content sage:E.isogeny_class().matrix()
 

\(\left(\begin{array}{rrrrrr} 1 & 8 & 4 & 8 & 2 & 4 \\ 8 & 1 & 2 & 4 & 4 & 8 \\ 4 & 2 & 1 & 2 & 2 & 4 \\ 8 & 4 & 2 & 1 & 4 & 8 \\ 2 & 4 & 2 & 4 & 1 & 2 \\ 4 & 8 & 4 & 8 & 2 & 1 \end{array}\right)\)

Isogeny graph

Copy content comment:Isogeny graph
 
Copy content sage:E.isogeny_class().graph().plot(edge_labels=True)
 

Elliptic curves in class 288.1-b over \(\Q(\sqrt{3}) \)

Copy content comment:List of curves in the isogeny class
 
Copy content sage:E.isogeny_class().curves
 

Isogeny class 288.1-b contains 6 curves linked by isogenies of degrees dividing 8.

Curve label Weierstrass Coefficients
288.1-b1 \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( -79 a - 140\) , \( -1664 a - 2881\bigr] \)
288.1-b2 \( \bigl[a + 1\) , \( -a - 1\) , \( 0\) , \( 10822 a - 18744\) , \( 809620 a - 1402303\bigr] \)
288.1-b3 \( \bigl[0\) , \( a\) , \( 0\) , \( 198 a - 342\) , \( 1746 a - 3024\bigr] \)
288.1-b4 \( \bigl[0\) , \( a\) , \( 0\) , \( -668 a + 1158\) , \( 54226 a - 93922\bigr] \)
288.1-b5 \( \bigl[a + 1\) , \( -a - 1\) , \( 0\) , \( 11 a - 21\) , \( -20 a + 34\bigr] \)
288.1-b6 \( \bigl[a + 1\) , \( -a - 1\) , \( 0\) , \( -34 a + 24\) , \( -164 a + 214\bigr] \)