Cremona's table of elliptic curves

20832 = 2⁵ · 3 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 7- 31+	Signs for the Atkin-Lehner involutions
Class	20832bf	Isogeny class
Conductor	20832	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	208523653632 = 29 · 32 · 72 · 314	Discriminant
Eigenvalues	2- 3- -2 7- -4 -6 -6 -8	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-5024,-136980]	[a1,a2,a3,a4,a6]
Generators	[-41:42:1] [99:588:1]	Generators of the group modulo torsion
j	27396121552136/407272761	j-invariant
L	7.7973762864869	L(r)(E,1)/r!
Ω	0.56757207089036	Real period
R	6.8690627026934	Regulator
r	2	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	20832y3 41664ct4 62496p3	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 20832bf2

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
-	-	-2	-	-4	-6	-6	-8	-8	2	+	2	-6	4	0	-6	8	-14	0	-8	2	-16	12	-6	-14

---

Quadratic twists for elliptic curve 20832bf2

-4	8	-3
20832y3	41664ct4	62496p3

---

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

Part of Computational Number Theory
Back to Tables and computations