Cremona's table of elliptic curves

31920 = 2⁴ · 3 · 5 · 7 · 19

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 7+ 19-	Signs for the Atkin-Lehner involutions
Conductor	31920	Conductor
Count	4	Number of curves in isogeny class
Curves	31920bd1 31920bd2 31920bd3 31920bd4	Curves in isogeny class
deg	1351680	Modular degree for the optimal curve
Eigenvalues	2- 3+ 5- 7+  0  6  2 19-	Hecke eigenvalues for primes less than 20
L	2.915698111816	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	1995g 127680ew 95760dh	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for isogeny class 31920bd

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-	+	-	+	0	6	2	-	4	10	8	-2	6	-4	4	10	-4	-2	-4	0	10	-8	16	6	-6

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Quadratic twists for isogeny class 31920bd

-4	8	-3
1995g	127680ew	95760dh

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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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