Properties

Base field \(\Q(\sqrt{5}) \)
Label 2.2.5.1-245.1-a
Conductor 245.1
Rank \( 1 \)

Related objects

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Base field \(\Q(\sqrt{5}) \)

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

Elliptic curves in class 245.1-a over \(\Q(\sqrt{5}) \)

Isogeny class 245.1-a contains 3 curves linked by isogenies of degrees dividing 9.

Curve label Weierstrass Coefficients
245.1-a1 \( \bigl[0\) , \( 1\) , \( 1\) , \( -131\) , \( -650\bigr] \)
245.1-a2 \( \bigl[0\) , \( 1\) , \( 1\) , \( -1\) , \( 0\bigr] \)
245.1-a3 \( \bigl[0\) , \( 1\) , \( 1\) , \( 9\) , \( 1\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrr} 1 & 9 & 3 \\ 9 & 1 & 3 \\ 3 & 3 & 1 \end{array}\right)\)

Isogeny graph