Properties

Base field 4.4.1957.1
Label 4.4.1957.1-7.1-a
Conductor 7.1
Rank \( 0 \)

Related objects

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Base field 4.4.1957.1

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

Elliptic curves in class 7.1-a over 4.4.1957.1

Isogeny class 7.1-a contains 4 curves linked by isogenies of degrees dividing 6.

Curve label Weierstrass Coefficients
7.1-a1 \( \bigl[a^{2} - a - 1\) , \( -a^{3} + a^{2} + 3 a - 2\) , \( a^{2} - a - 1\) , \( 32 a^{3} - 57 a^{2} - 33 a + 17\) , \( 204 a^{3} - 364 a^{2} - 182 a + 118\bigr] \)
7.1-a2 \( \bigl[-a^{3} + a^{2} + 3 a\) , \( a^{3} - 5 a\) , \( -a^{3} + a^{2} + 3 a - 1\) , \( a^{2} - 3 a\) , \( -a^{3} + a^{2} + a\bigr] \)
7.1-a3 \( \bigl[-a^{3} + a^{2} + 3 a\) , \( a^{3} - 5 a\) , \( -a^{3} + a^{2} + 3 a - 1\) , \( -5 a^{3} - 4 a^{2} + 7 a + 5\) , \( -6 a^{3} - 8 a^{2} - 3\bigr] \)
7.1-a4 \( \bigl[a + 1\) , \( -a^{2} + a + 1\) , \( a^{3} - 3 a\) , \( -a^{3} - 4 a^{2} - 6 a + 1\) , \( -5 a^{3} - 11 a^{2} - a + 3\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

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

Isogeny graph