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The database currently contains 142361 elliptic curves defined over number fields of signature (2,0) (degree 2), in 66684 isogeny classes, with conductors of norm up to 5000.

Number of curves and maximum conductor norm for fields of signature (2,0)

Field Number of curves Number of isogeny classes Maximum conductor norm
2.2.5.1 9713 4605 4999
2.2.8.1 16686 8104 5000
2.2.12.1 25272 12252 5000
2.2.13.1 8242 3656 1989
2.2.17.1 6301 2434 988
2.2.21.1 10052 4758 2303
2.2.24.1 6186 2675 1000
2.2.28.1 5064 2223 700
2.2.29.1 2609 1330 995
2.2.33.1 6594 2465 600
2.2.37.1 3423 1706 700
2.2.40.1 4124 1836 535
2.2.41.1 6327 2840 718
2.2.44.1 2378 1226 500
2.2.53.1 2564 1611 1764
2.2.56.1 1200 568 286
2.2.57.1 3120 1339 287
2.2.60.1 1316 472 200
2.2.61.1 1301 701 249
2.2.65.1 1718 718 200
2.2.69.1 406 194 144
2.2.73.1 1646 657 142
2.2.76.1 1702 906 200
2.2.77.1 480 209 292
2.2.85.1 930 380 180
2.2.88.1 956 518 150
2.2.89.1 1012 495 136
2.2.92.1 546 301 200
2.2.93.1 516 264 197
2.2.97.1 1225 539 101
2.2.101.1 100 68 97
2.2.104.1 186 114 52
2.2.105.1 276 78 36
2.2.109.1 239 153 63
2.2.113.1 454 197 64
2.2.120.1 140 34 30
2.2.124.1 374 250 55
2.2.129.1 436 259 54
2.2.133.1 164 92 52
2.2.136.1 100 42 25
2.2.137.1 313 162 56
2.2.140.1 56 16 20
2.2.141.1 78 36 45
2.2.145.1 106 46 16
2.2.149.1 45 36 36
2.2.152.1 80 50 38
2.2.156.1 56 22 18
2.2.157.1 59 48 39
2.2.161.1 326 135 38
2.2.165.1 144 50 36
2.2.168.1 256 86 44
2.2.172.1 92 63 32
2.2.173.1 4 3 4
2.2.177.1 172 102 32
2.2.181.1 35 18 27
2.2.184.1 170 120 32
2.2.185.1 40 8 10
2.2.188.1 42 26 25
2.2.193.1 163 106 28
2.2.197.1 42 29 81
2.2.201.1 464 259 60
2.2.204.1 132 46 36
2.2.205.1 112 44 45
2.2.209.1 390 217 64
2.2.213.1 56 38 69
2.2.217.1 330 156 36
2.2.220.1 76 42 18
2.2.221.1 52 18 17
2.2.229.1 21 9 9
2.2.232.1 136 62 36
2.2.233.1 219 140 52
2.2.236.1 66 48 46
2.2.237.1 100 53 68
2.2.241.1 216 132 32
2.2.248.1 106 54 58
2.2.249.1 162 114 30
2.2.265.1 136 70 18
2.2.268.1 122 81 18
2.2.269.1 5 5 11
2.2.273.1 16 8 4
2.2.277.1 24 22 13
2.2.281.1 44 28 16
2.2.284.1 40 28 16
2.2.296.1 40 22 32
2.2.301.1 116 73 43
2.2.305.1 24 12 9
2.2.313.1 64 36 12
2.2.316.1 2 2 1
2.2.317.1 2 2 11
2.2.321.1 22 10 5
2.2.328.1 4 2 2
2.2.329.1 74 48 18
2.2.337.1 80 34 12
2.2.341.1 12 7 11
2.2.344.1 10 9 10
2.2.345.1 16 4 5
2.2.348.1 16 16 6
2.2.349.1 18 15 12
2.2.353.1 28 12 11
2.2.357.1 8 2 9
2.2.364.1 24 24 5
2.2.365.1 20 6 7
2.2.373.1 6 6 9
2.2.376.1 42 24 9
2.2.377.1 24 8 8
2.2.393.1 4 4 9
2.2.397.1 15 10 9
2.2.401.1 1 1 4
2.2.408.1 4 2 1
2.2.409.1 34 24 9
2.2.412.1 28 22 9
2.2.413.1 4 4 4
2.2.417.1 24 16 8
2.2.421.1 7 5 5
2.2.424.1 12 12 3
2.2.429.1 28 12 4
2.2.433.1 10 9 6
2.2.437.1 4 3 4
2.2.445.1 24 10 4
2.2.449.1 8 6 7
2.2.456.1 16 4 2
2.2.457.1 40 24 6
2.2.461.1 2 1 1
2.2.469.1 4 1 1
2.2.472.1 6 5 6
2.2.473.1 14 9 2
2.2.485.1 6 6 4
2.2.489.1 4 2 4
2.2.492.1 16 8 2
2.2.497.1 12 5 4