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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:128AU GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 2, 3√2, 6, 5√2, 6√2, 10, 12, 10√2, 16, 20, 16√2, 20√2, 40, 48, 40√2, 44√2, 48√2, 80, 64√2.

Code: 805 0 48 644 64 64 446 84 84 203 84 64 102 94 74 103 94 64 52 99 69 30 99 69 23 96 64 67 96 66 60 102 66 164 80 48 163 96 48 127 96 60 200 108 60 485 0 0 484 48 0 400 88 40 401 128 40

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)

80
64√2
44√2
20
10√2
10
5√2
3√2
2
6
6√2
16√2
16
12
20√2
48
48√2
40√2
40