Properties

Base field \(\Q(\zeta_{15})^+\)
Label 4.4.1125.1-145.1-a
Conductor 145.1
Rank \( 0 \)

Related objects

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Base field \(\Q(\zeta_{15})^+\)

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

Elliptic curves in class 145.1-a over \(\Q(\zeta_{15})^+\)

Isogeny class 145.1-a contains 8 curves linked by isogenies of degrees dividing 12.

Curve label Weierstrass Coefficients
145.1-a1 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( -571 a^{3} + 533 a^{2} + 2618 a - 3120\) , \( 17430 a^{3} - 24276 a^{2} - 55306 a + 75770\bigr] \)
145.1-a2 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( -71 a^{3} + 153 a^{2} + 68 a - 220\) , \( 178 a^{3} + 102 a^{2} - 1348 a + 1136\bigr] \)
145.1-a3 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( -41 a^{3} + 23 a^{2} + 183 a - 190\) , \( 294 a^{3} - 369 a^{2} - 959 a + 1239\bigr] \)
145.1-a4 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( 14 a^{3} - 7 a^{2} - 27 a - 10\) , \( 64 a^{3} - 114 a^{2} - 9 a + 4\bigr] \)
145.1-a5 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( -6 a^{3} - 17 a^{2} + 38 a - 5\) , \( 9 a^{3} + 30 a^{2} - 65 a + 12\bigr] \)
145.1-a6 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( -a^{3} + 3 a^{2} - 2 a\) , \( 0\bigr] \)
145.1-a7 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( 4 a^{3} - 12 a^{2} + 8 a\) , \( 41 a^{3} - 120 a^{2} + 69 a + 23\bigr] \)
145.1-a8 \( \bigl[a^{3} - 2 a\) , \( -a^{3} + a^{2} + 2 a - 1\) , \( 0\) , \( 74 a^{3} - 257 a^{2} + 203 a + 10\) , \( 1822 a^{3} - 5406 a^{2} + 3183 a + 1054\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrrrr} 1 & 4 & 2 & 12 & 4 & 12 & 6 & 3 \\ 4 & 1 & 2 & 3 & 4 & 12 & 6 & 12 \\ 2 & 2 & 1 & 6 & 2 & 6 & 3 & 6 \\ 12 & 3 & 6 & 1 & 12 & 4 & 2 & 4 \\ 4 & 4 & 2 & 12 & 1 & 3 & 6 & 12 \\ 12 & 12 & 6 & 4 & 3 & 1 & 2 & 4 \\ 6 & 6 & 3 & 2 & 6 & 2 & 1 & 2 \\ 3 & 12 & 6 & 4 & 12 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph