Cremona's table of elliptic curves

126400 = 2⁶ · 5² · 79

Field	Data	Notes
Atkin-Lehner	2+ 5+ 79+	Signs for the Atkin-Lehner involutions
Class	126400a	Isogeny class
Conductor	126400	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	98304	Modular degree for the optimal curve
Δ	-2022400000000 = -1 · 216 · 58 · 79	Discriminant
Eigenvalues	2+  0 5+  2  0  2  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,1300,-66000]	[a1,a2,a3,a4,a6]
Generators	[2280:21700:27]	Generators of the group modulo torsion
j	237276/1975	j-invariant
L	7.5937948484468	L(r)(E,1)/r!
Ω	0.41056576161294	Real period
R	4.6239820748967	Regulator
r	1	Rank of the group of rational points
S	0.99999999465203	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	126400bu1 15800a1 25280a1	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 126400a1

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

---

Quadratic twists for elliptic curve 126400a1

-4	8	5
126400bu1	15800a1	25280a1

---

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