Properties

Base field 4.4.9248.1
Label 4.4.9248.1-16.5-c
Conductor 16.5
Rank \( 0 \)

Related objects

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Base field 4.4.9248.1

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

Elliptic curves in class 16.5-c over 4.4.9248.1

Isogeny class 16.5-c contains 4 curves linked by isogenies of degrees dividing 4.

Curve label Weierstrass Coefficients
16.5-c1 \( \bigl[a^{3} - 4 a + 1\) , \( a\) , \( a^{3} - 3 a\) , \( 10 a^{3} - 10 a^{2} - 40 a - 24\) , \( 48 a^{3} + 4 a^{2} - 140 a - 84\bigr] \)
16.5-c2 \( \bigl[a^{3} - 4 a + 1\) , \( a\) , \( a^{3} - 3 a\) , \( -4\) , \( -4\bigr] \)
16.5-c3 \( \bigl[a^{3} - 4 a + 1\) , \( -a^{3} - a^{2} + 3 a + 4\) , \( a^{3} - 3 a\) , \( 9 a^{3} + 7 a^{2} + 4\) , \( 28 a^{3} + 15 a^{2} - 10 a - 2\bigr] \)
16.5-c4 \( \bigl[a + 1\) , \( -a^{3} + 3 a\) , \( a^{2} + a - 2\) , \( -13 a^{3} - 14 a^{2} + 64 a + 46\) , \( 183 a^{3} + 102 a^{2} - 808 a - 528\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

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

Isogeny graph