Properties

Base field 5.5.138136.1
Label 5.5.138136.1-31.1-b
Conductor 31.1
Rank \( 0 \)

Related objects

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Base field 5.5.138136.1

Generator \(a\), with minimal polynomial \( x^{5} - x^{4} - 6 x^{3} + 3 x^{2} + 4 x - 2 \); class number \(1\).

Elliptic curves in class 31.1-b over 5.5.138136.1

Isogeny class 31.1-b contains 4 curves linked by isogenies of degrees dividing 6.

Curve label Weierstrass Coefficients
31.1-b1 \( \bigl[2 a^{4} - a^{3} - 12 a^{2} - a + 6\) , \( a^{4} - a^{3} - 6 a^{2} + 3 a + 4\) , \( 3 a^{4} - a^{3} - 18 a^{2} - 3 a + 9\) , \( -22 a^{4} - 7 a^{3} + 147 a^{2} + 104 a - 84\) , \( -111 a^{4} + 64 a^{3} + 639 a^{2} - 5 a - 164\bigr] \)
31.1-b2 \( \bigl[2 a^{4} - a^{3} - 12 a^{2} - a + 6\) , \( a^{4} - a^{3} - 6 a^{2} + 3 a + 4\) , \( 3 a^{4} - a^{3} - 18 a^{2} - 3 a + 9\) , \( 478 a^{4} - 327 a^{3} - 2698 a^{2} + 279 a + 586\) , \( 6855 a^{4} - 4448 a^{3} - 38942 a^{2} + 2699 a + 9031\bigr] \)
31.1-b3 \( \bigl[a^{4} - 6 a^{2} - 3 a + 2\) , \( a^{2} - a - 4\) , \( a + 1\) , \( -24 a^{4} + 11 a^{3} + 150 a^{2} + 8 a - 92\) , \( 35 a^{4} - 17 a^{3} - 219 a^{2} - 8 a + 136\bigr] \)
31.1-b4 \( \bigl[a^{4} - 7 a^{2} - a + 6\) , \( 3 a^{4} - a^{3} - 18 a^{2} - 5 a + 9\) , \( 2 a^{4} - a^{3} - 12 a^{2} - a + 7\) , \( -60 a^{4} - 186 a^{3} + 53 a^{2} + 288 a - 137\) , \( 1157 a^{4} + 1274 a^{3} - 2298 a^{2} + 66 a + 302\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

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

Isogeny graph