Cremona's table of elliptic curves

1638 = 2 · 3² · 7 · 13

Field	Data	Notes
Atkin-Lehner	2- 3- 7+ 13-	Signs for the Atkin-Lehner involutions
Class	1638q	Isogeny class
Conductor	1638	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	141021057996 = 22 · 318 · 7 · 13	Discriminant
Eigenvalues	2- 3-  2 7+  4 13-  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-17609,-894787]	[a1,a2,a3,a4,a6]
j	828279937799497/193444524	j-invariant
L	3.315613366674	L(r)(E,1)/r!
Ω	0.41445167083425	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	13104ck3 52416bq4 546c3 40950bl4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1638q3

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	-	2	-4	4	2	0	-2	-2	4	12	-6	0	-10	4	8	-6	8	-8	6	2

---

Quadratic twists for elliptic curve 1638q3

-4	8	-3	5	-7	13
13104ck3	52416bq4	546c3	40950bl4	11466cb3	21294bi4

---

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