Cremona's table of elliptic curves

28938 = 2 · 3 · 7 · 13 · 53

Class	r	Atkin-Lehner	Eigenvalues
28938a (2 curves)	1	2+ 3+ 7+ 13+ 53+	2+ 3+  2 7+ -6 13+  6 -2
Curve Equation t Generators 28938a1 [1,1,0,-11174,803220] 2 [-68:1154:1] 28938a2 [1,1,0,-215014,38269012] 2 [-284:8890:1]
28938b (1 curve)	0	2+ 3+ 7+ 13+ 53-	2+ 3+  3 7+ -3 13+ -7 -7
Curve Equation t 28938b1 [1,1,0,593409,90908613] 1
28938c (1 curve)	1	2+ 3+ 7- 13- 53+	2+ 3+  1 7-  5 13- -3 -3
Curve Equation t Generators 28938c1 [1,1,0,-499737,135767397] 1 [3286:-795:8]
28938d (1 curve)	0	2+ 3- 7+ 13- 53-	2+ 3-  1 7+ -3 13-  7 -5
Curve Equation t 28938d1 [1,0,1,-15399168,23258321230] 1
28938e (1 curve)	0	2+ 3- 7- 13+ 53-	2+ 3-  1 7-  3 13+  7 -7
Curve Equation t 28938e1 [1,0,1,-183,-26726] 1
28938f (4 curves)	0	2+ 3- 7- 13+ 53-	2+ 3- -2 7-  4 13+  6  8
Curve Equation t 28938f1 [1,0,1,-92,1946] 2 28938f2 [1,0,1,-2972,61850] 4 28938f3 [1,0,1,-4532,-10534] 2 28938f4 [1,0,1,-47492,3979610] 2
28938g (2 curves)	0	2+ 3- 7- 13- 53+	2+ 3- -3 7-  6 13- -3 -4
Curve Equation t 28938g1 [1,0,1,-1308065,575717780] 3 28938g2 [1,0,1,-1298720,584351342] 1
28938h (1 curve)	1	2- 3+ 7+ 13+ 53-	2- 3+  1 7+ -3 13+  5  5
Curve Equation t Generators 28938h1 [1,1,1,15695,2358863] 1 [31:-1712:1]
28938i (1 curve)	1	2- 3+ 7+ 13- 53+	2- 3+ -1 7+ -1 13-  1  7
Curve Equation t Generators 28938i1 [1,1,1,-7111,240005] 1 [97:640:1]
28938j (2 curves)	1	2- 3+ 7- 13+ 53+	2- 3+  2 7-  4 13+  0 -6
Curve Equation t Generators 28938j1 [1,1,1,-482,-4369] 2 [53:323:1] 28938j2 [1,1,1,-7762,-266449] 2 [105:247:1]
28938k (1 curve)	0	2- 3+ 7- 13- 53+	2- 3+  3 7- -3 13- -3  1
Curve Equation t 28938k1 [1,1,1,-18029,2315909] 1
28938l (1 curve)	1	2- 3- 7+ 13+ 53+	2- 3- -1 7+  2 13+ -3 -4
Curve Equation t Generators 28938l1 [1,0,0,-312911,-80088723] 1 [766:11011:1]
28938m (1 curve)	1	2- 3- 7+ 13+ 53+	2- 3-  3 7+ -2 13+ -1 -4
Curve Equation t Generators 28938m1 [1,0,0,-14,312] 1 [4:-20:1]
28938n (1 curve)	1	2- 3- 7+ 13+ 53+	2- 3- -3 7+ -1 13+ -1 -3
Curve Equation t Generators 28938n1 [1,0,0,-2412,2085264] 1 [18:-1440:1]
28938o (1 curve)	1	2- 3- 7+ 13+ 53+	2- 3- -3 7+  3 13+  3  1
Curve Equation t Generators 28938o1 [1,0,0,-27,-189] 1 [102:267:8]
28938p (1 curve)	0	2- 3- 7+ 13+ 53-	2- 3-  3 7+  1 13+  7  3
Curve Equation t 28938p1 [1,0,0,-854,-9684] 1
28938q (1 curve)	0	2- 3- 7+ 13+ 53-	2- 3-  3 7+ -3 13+ -5  7
Curve Equation t 28938q1 [1,0,0,-21111815739,1259429601600657] 1
28938r (1 curve)	1	2- 3- 7+ 13- 53-	2- 3- -1 7+ -3 13-  3  7
Curve Equation t Generators 28938r1 [1,0,0,-461,-5103] 1 [36:141:1]
28938s (4 curves)	1	2- 3- 7+ 13- 53-	2- 3- -2 7+  0 13- -2  4
Curve Equation t Generators 28938s1 [1,0,0,-5284,-121072] 2 [88:268:1] 28938s2 [1,0,0,-25764,1480464] 4 [24:924:1] 28938s3 [1,0,0,25116,6619344] 2 [236:4952:1] 28938s4 [1,0,0,-404324,98921808] 4 [-626:10648:1]
28938t (1 curve)	1	2- 3- 7- 13+ 53-	2- 3-  1 7- -2 13+ -3 -4
Curve Equation t Generators 28938t1 [1,0,0,-165,-831] 1 [20:53:1]
28938u (1 curve)	1	2- 3- 7- 13+ 53-	2- 3-  1 7- -5 13+ -3  2
Curve Equation t Generators 28938u1 [1,0,0,9845,-1956967] 1 [1004:-32443:1]
28938v (2 curves)	1	2- 3- 7- 13- 53+	2- 3- -3 7-  0 13- -3 -4
Curve Equation t Generators 28938v1 [1,0,0,-3737,133689] 3 [-68:307:1] 28938v2 [1,0,0,30583,-2104599] 1 [84:987:1]
28938w (2 curves)	1	2- 3- 7- 13- 53+	2- 3- -3 7- -3 13-  3 -1
Curve Equation t Generators 28938w1 [1,0,0,1371058,-167867124] 3 [262:14338:1] 28938w2 [1,0,0,-22226672,-41768731806] 1 [1174420:152607223:64]

Data from Elliptic Curve Data by J. E. Cremona.
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