Properties

Base field \(\Q(\sqrt{5}, \sqrt{7})\)
Label 4.4.19600.1-16.1-b
Conductor 16.1
Rank \( 0 \)

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Base field \(\Q(\sqrt{5}, \sqrt{7})\)

Generator \(a\), with minimal polynomial \( x^{4} - 2 x^{3} - 15 x^{2} + 16 x + 29 \); class number \(1\).

Elliptic curves in class 16.1-b over \(\Q(\sqrt{5}, \sqrt{7})\)

Isogeny class 16.1-b contains 4 curves linked by isogenies of degrees dividing 6.

Curve label Weierstrass Coefficients
16.1-b1 \( \bigl[-\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( -\frac{5}{23} a^{3} - \frac{4}{23} a^{2} + \frac{96}{23} a + \frac{37}{23}\) , \( -\frac{1}{23} a^{3} + \frac{13}{23} a^{2} - \frac{13}{23} a - \frac{80}{23}\) , \( \frac{28}{23} a^{3} - \frac{249}{23} a^{2} + \frac{502}{23} a + \frac{193}{23}\) , \( -\frac{514}{23} a^{3} + \frac{2473}{23} a^{2} + \frac{195}{23} a - \frac{5953}{23}\bigr] \)
16.1-b2 \( \bigl[-\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( -\frac{5}{23} a^{3} - \frac{4}{23} a^{2} + \frac{96}{23} a + \frac{37}{23}\) , \( -\frac{1}{23} a^{3} + \frac{13}{23} a^{2} - \frac{13}{23} a - \frac{80}{23}\) , \( -\frac{7}{23} a^{3} - \frac{24}{23} a^{2} + \frac{162}{23} a + \frac{268}{23}\) , \( -\frac{17}{23} a^{3} + \frac{37}{23} a^{2} + \frac{124}{23} a + \frac{112}{23}\bigr] \)
16.1-b3 \( \bigl[-\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( -\frac{5}{23} a^{3} - \frac{4}{23} a^{2} + \frac{96}{23} a + \frac{37}{23}\) , \( -\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( -\frac{10}{23} a^{3} + \frac{15}{23} a^{2} + \frac{100}{23} a - \frac{41}{23}\) , \( -\frac{1}{23} a^{3} - \frac{10}{23} a^{2} + \frac{33}{23} a + \frac{35}{23}\bigr] \)
16.1-b4 \( \bigl[-\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( -\frac{5}{23} a^{3} - \frac{4}{23} a^{2} + \frac{96}{23} a + \frac{37}{23}\) , \( -\frac{3}{23} a^{3} + \frac{16}{23} a^{2} + \frac{30}{23} a - \frac{125}{23}\) , \( 5 a^{3} - 80 a - 82\) , \( -\frac{476}{23} a^{3} - \frac{68}{23} a^{2} + \frac{6922}{23} a + \frac{6655}{23}\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

\(\left(\begin{array}{rrrr} 1 & 2 & 6 & 3 \\ 2 & 1 & 3 & 6 \\ 6 & 3 & 1 & 2 \\ 3 & 6 & 2 & 1 \end{array}\right)\)

Isogeny graph