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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:64BD GHM

Order: 19

Horizontal side: 64 Vertical side: 64

Elements: 1, 3√2, 6, 8, 6√2, 8√2, 9√2, 10√2, 16, 18, 19, 20, 16√2, 24, 18√2, 20√2, 21√2, 24√2, 40.

Code: 407 0 64 240 40 64 241 64 64 166 0 24 62 22 34 61 22 40 32 25 37 214 43 19 206 44 20 96 16 28 185 25 19 102 26 18 165 0 8 13 44 19 205 44 0 191 44 19 180 26 18 85 0 0 84 8 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)

40
24√2
24
16√2
6√2
6
3√2
21√2
20√2
9√2
18
10√2
16
1
20
19
18√2
8
8√2