Cremona's table of elliptic curves

21252 = 2² · 3 · 7 · 11 · 23

Class	r	Atkin-Lehner	Eigenvalues
21252a (1 curve)	0	2- 3+ 7+ 11+ 23+	2- 3+  2 7+ 11+ -3 -5 -5
Curve Equation t 21252a1 [0,-1,0,28,-168] 1
21252b (1 curve)	1	2- 3+ 7+ 11- 23+	2- 3+  1 7+ 11- -2  6  6
Curve Equation t Generators 21252b1 [0,-1,0,275,-7367] 1 [19:66:1]
21252c (2 curves)	1	2- 3+ 7- 11+ 23+	2- 3+  0 7- 11+  2 -2  4
Curve Equation t Generators 21252c1 [0,-1,0,-133,430] 2 [-11:21:1] 21252c2 [0,-1,0,-868,-9272] 2 [-18:14:1]
21252d (2 curves)	1	2- 3+ 7- 11+ 23+	2- 3+ -2 7- 11+ -6 -8  0
Curve Equation t Generators 21252d1 [0,-1,0,111,-846] 2 [15:63:1] 21252d2 [0,-1,0,-924,-8712] 2 [-18:42:1]
21252e (2 curves)	1	2- 3+ 7- 11- 23-	2- 3+ -2 7- 11-  2  4 -8
Curve Equation t Generators 21252e1 [0,-1,0,16151,229054] 2 [354:7084:1] 21252e2 [0,-1,0,-67684,1939288] 2 [337:4158:1]
21252f (2 curves)	1	2- 3- 7+ 11+ 23+	2- 3-  2 7+ 11+  4 -2 -4
Curve Equation t Generators 21252f1 [0,1,0,-77,228] 2 [-3:21:1] 21252f2 [0,1,0,28,900] 2 [0:30:1]
21252g (1 curve)	0	2- 3- 7+ 11- 23+	2- 3-  2 7+ 11-  7 -5  3
Curve Equation t 21252g1 [0,1,0,-141652,-35993548] 1
21252h (1 curve)	0	2- 3- 7+ 11- 23+	2- 3-  3 7+ 11- -1  0  3
Curve Equation t 21252h1 [0,1,0,6,69] 1
21252i (1 curve)	1	2- 3- 7+ 11- 23-	2- 3- -1 7+ 11-  3  0  3
Curve Equation t Generators 21252i1 [0,1,0,5294,-2396779] 1 [317:5589:1]
21252j (1 curve)	0	2- 3- 7- 11+ 23+	2- 3- -2 7- 11+  1 -7 -7
Curve Equation t 21252j1 [0,1,0,-18404,954900] 1
21252k (2 curves)	0	2- 3- 7- 11+ 23+	2- 3- -2 7- 11+ -6  0  0
Curve Equation t 21252k1 [0,1,0,-1563599969,-23820469931424] 2 21252k2 [0,1,0,-25024070204,-1523657716243068] 2
21252l (1 curve)	0	2- 3- 7- 11+ 23+	2- 3-  3 7- 11+  1  8 -7
Curve Equation t 21252l1 [0,1,0,-239734,-46029547] 1
21252m (1 curve)	0	2- 3- 7- 11+ 23+	2- 3-  3 7- 11+  6 -2 -2
Curve Equation t 21252m1 [0,1,0,-34749,8916399] 1
21252n (4 curves)	1	2- 3- 7- 11+ 23-	2- 3-  0 7- 11+  2 -6 -4
Curve Equation t Generators 21252n1 [0,1,0,-45053,3664572] 6 [-212:1932:1] 21252n2 [0,1,0,-51668,2510916] 6 [40:714:1] 21252n3 [0,1,0,-127853,-13018800] 2 [-8700:87465:64] 21252n4 [0,1,0,-1892588,-1002682188] 2 [-6355980:2501499:8000]

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

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