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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180BP GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 4, 4√2, 8, 12, 13, 13√2, 26, 38, 39, 52, 38√2, 39√2, 64, 46√2, 50√2, 52√2, 64√2, 65√2, 128.

Code: 1287 0 180 506 78 130 522 180 128 521 180 180 656 13 65 462 124 84 646 116 64 83 124 76 42 128 80 43 128 76 386 78 38 127 116 76 136 0 52 265 13 39 645 116 0 135 0 39 397 0 39 390 39 39 385 78 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)

128
50√2
52√2
52
65√2
46√2
64√2
8
4√2
4
38√2
12
13√2
26
64
13
39
39√2
38