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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:428AA GHM

Order: 19

Horizontal side: 428 Vertical side: 428

Elements: 10√2, 20, 20√2, 40, 32√2, 40√2, 64, 80, 59√2, 96, 80√2, 118, 128, 118√2, 123√2, 182, 150√2, 246, 214√2.

Code: 2465 0 182 2144 214 214 1506 278 278 643 278 214 802 358 198 324 246 182 963 278 118 803 358 118 402 398 158 1825 0 0 1234 123 59 403 398 118 202 418 138 203 418 118 102 428 128 1283 428 0 596 123 59 1185 182 0 1184 300 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

246
214√2
150√2
64
80√2
32√2
96
80
40√2
182
123√2
40
20√2
20
10√2
128
59√2
118
118√2