Properties

Base field \(\Q(\sqrt{205}) \)
Label 2.2.205.1-45.1-b
Conductor 45.1
Rank \( 1 \)

Related objects

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Base field \(\Q(\sqrt{205}) \)

Generator \(a\), with minimal polynomial \( x^{2} - x - 51 \); class number \(2\).

Elliptic curves in class 45.1-b over \(\Q(\sqrt{205}) \)

Isogeny class 45.1-b contains 8 curves linked by isogenies of degrees dividing 16.

Curve label Weierstrass Coefficients
45.1-b1 \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( 14186 a - 108628\) , \( 4712248 a - 36090667\bigr] \)
45.1-b2 \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( -4 a + 52\) , \( -1032 a + 7923\bigr] \)
45.1-b3 \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( 4519 a + 30113\) , \( -206840 a - 1377310\bigr] \)
45.1-b4 \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( -1286 a - 8542\) , \( -39368 a - 262129\bigr] \)
45.1-b5 \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( 641 a - 4888\) , \( -19640 a + 150440\bigr] \)
45.1-b6 \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( 17411 a - 133328\) , \( 3454968 a - 26461272\bigr] \)
45.1-b7 \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( -10316 a - 68672\) , \( 1463000 a + 9742005\bigr] \)
45.1-b8 \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( -278636 a - 1855392\) , \( -215960088 a - 1438058889\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrrrr} 1 & 16 & 8 & 4 & 8 & 2 & 16 & 4 \\ 16 & 1 & 8 & 4 & 2 & 8 & 4 & 16 \\ 8 & 8 & 1 & 2 & 4 & 4 & 8 & 8 \\ 4 & 4 & 2 & 1 & 2 & 2 & 4 & 4 \\ 8 & 2 & 4 & 2 & 1 & 4 & 2 & 8 \\ 2 & 8 & 4 & 2 & 4 & 1 & 8 & 2 \\ 16 & 4 & 8 & 4 & 2 & 8 & 1 & 16 \\ 4 & 16 & 8 & 4 & 8 & 2 & 16 & 1 \end{array}\right)\)

Isogeny graph