Properties

Base field \(\Q(\sqrt{5}) \)
Label 2.2.5.1-605.2-b
Conductor 605.2
Rank \( 0 \)

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 605.2-b over \(\Q(\sqrt{5}) \)

Isogeny class 605.2-b contains 8 curves linked by isogenies of degrees dividing 12.

Curve label Weierstrass Coefficients
605.2-b1 \( \bigl[1\) , \( 1\) , \( 0\) , \( -2\) , \( 7 \phi + 3\bigr] \)
605.2-b2 \( \bigl[1\) , \( 1\) , \( 0\) , \( 65 \phi - 82\) , \( -390 \phi + 231\bigr] \)
605.2-b3 \( \bigl[1\) , \( 1\) , \( 0\) , \( 140 \phi - 407\) , \( 1855 \phi - 3286\bigr] \)
605.2-b4 \( \bigl[1\) , \( 1\) , \( 0\) , \( -935 \phi - 387\) , \( 8620 \phi + 7934\bigr] \)
605.2-b5 \( \bigl[1\) , \( 1\) , \( 0\) , \( -260 \phi - 287\) , \( -3445 \phi - 1696\bigr] \)
605.2-b6 \( \bigl[1\) , \( 1\) , \( 0\) , \( -35 \phi - 52\) , \( 210 \phi + 51\bigr] \)
605.2-b7 \( \bigl[\phi + 1\) , \( \phi - 1\) , \( \phi\) , \( 832 \phi - 2982\) , \( 18800 \phi - 57148\bigr] \)
605.2-b8 \( \bigl[\phi + 1\) , \( \phi - 1\) , \( \phi\) , \( -48 \phi - 177\) , \( 1428 \phi - 947\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrrrr} 1 & 3 & 4 & 12 & 6 & 2 & 12 & 4 \\ 3 & 1 & 12 & 4 & 2 & 6 & 4 & 12 \\ 4 & 12 & 1 & 12 & 6 & 2 & 3 & 4 \\ 12 & 4 & 12 & 1 & 2 & 6 & 4 & 3 \\ 6 & 2 & 6 & 2 & 1 & 3 & 2 & 6 \\ 2 & 6 & 2 & 6 & 3 & 1 & 6 & 2 \\ 12 & 4 & 3 & 4 & 2 & 6 & 1 & 12 \\ 4 & 12 & 4 & 3 & 6 & 2 & 12 & 1 \end{array}\right)\)

Isogeny graph