Properties

Base field \(\Q(\sqrt{42}) \)
Label 2.2.168.1-42.1-e
Conductor 42.1
Rank \( 0 \)

Related objects

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Base field \(\Q(\sqrt{42}) \)

Generator \(a\), with minimal polynomial \( x^{2} - 42 \); class number \(2\).

Elliptic curves in class 42.1-e over \(\Q(\sqrt{42}) \)

Isogeny class 42.1-e contains 6 curves linked by isogenies of degrees dividing 8.

Curve label Weierstrass Coefficients
42.1-e1 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( -830 a - 5376\) , \( -78456 a - 508452\bigr] \)
42.1-e2 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( 80290 a + 520344\) , \( -11628936 a - 75364116\bigr] \)
42.1-e3 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( -21630 a - 140176\) , \( -1676056 a - 10862084\bigr] \)
42.1-e4 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( -190110 a - 1232056\) , \( 112754264 a + 730731148\bigr] \)
42.1-e5 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( -17470 a - 113216\) , \( -3291896 a - 21333924\bigr] \)
42.1-e6 \( \bigl[a\) , \( a - 1\) , \( 0\) , \( -279550 a - 1811696\) , \( -206313176 a - 1337062212\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrr} 1 & 8 & 4 & 8 & 2 & 4 \\ 8 & 1 & 2 & 4 & 4 & 8 \\ 4 & 2 & 1 & 2 & 2 & 4 \\ 8 & 4 & 2 & 1 & 4 & 8 \\ 2 & 4 & 2 & 4 & 1 & 2 \\ 4 & 8 & 4 & 8 & 2 & 1 \end{array}\right)\)

Isogeny graph