Cremona's table of elliptic curves

Conductor 23987

23987 = 17² · 83

Isogeny classes of curves of conductor 23987 [newforms of level 23987]

Class

r

Atkin-Lehner

Eigenvalues

23987a (1 curve)

1

¹⁷+ ⁸³+

0 2 3 -4 4 4 ¹⁷+ 2

23987b (1 curve)

1

¹⁷+ ⁸³+

-1 1 2 3 -3 -6 ¹⁷+ 2

23987c (2 curves)

1

¹⁷+ ⁸³+

-1 2 0 2 2 2 ¹⁷+ 4

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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