Properties

Base field 4.4.2225.1
Label 4.4.2225.1-29.1-a
Conductor 29.1
Rank \( 0 \)

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Base field 4.4.2225.1

Generator \(a\), with minimal polynomial \( x^{4} - x^{3} - 5 x^{2} + 2 x + 4 \); class number \(1\).

Elliptic curves in class 29.1-a over 4.4.2225.1

Isogeny class 29.1-a contains 4 curves linked by isogenies of degrees dividing 4.

Curve label Weierstrass Coefficients
29.1-a1 \( \bigl[\frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{3}{2} a - 3\) , \( -\frac{1}{2} a^{3} + \frac{3}{2} a^{2} + \frac{3}{2} a - 2\) , \( a^{2} - 3\) , \( \frac{1}{2} a^{3} + \frac{5}{2} a^{2} + \frac{1}{2} a - 3\) , \( \frac{1}{2} a^{3} + \frac{1}{2} a^{2} + \frac{1}{2} a - 1\bigr] \)
29.1-a2 \( \bigl[\frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{3}{2} a - 3\) , \( -a + 1\) , \( \frac{1}{2} a^{3} - \frac{1}{2} a^{2} - \frac{1}{2} a\) , \( \frac{3}{2} a^{3} - \frac{1}{2} a^{2} - \frac{17}{2} a - 4\) , \( 6 a^{3} - 29 a - 20\bigr] \)
29.1-a3 \( \bigl[\frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{5}{2} a - 2\) , \( a^{2} - a - 3\) , \( \frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{5}{2} a - 3\) , \( 3 a^{3} - 6 a^{2} - 3 a - 1\) , \( \frac{19}{2} a^{3} - \frac{47}{2} a^{2} - \frac{15}{2} a + 20\bigr] \)
29.1-a4 \( \bigl[\frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{5}{2} a - 2\) , \( a^{2} - a - 3\) , \( \frac{1}{2} a^{3} + \frac{1}{2} a^{2} - \frac{5}{2} a - 3\) , \( \frac{21}{2} a^{3} - \frac{47}{2} a^{2} - \frac{31}{2} a + 24\) , \( -8 a^{3} + 26 a^{2} - 9 a - 17\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

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

Isogeny graph