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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:104AH GHM

Order: 19

Horizontal side: 104 Vertical side: 104

Elements: 2√2, 4, 3√2, 6, 6√2, 9√2, 10√2, 18, 20, 24, 30, 24√2, 36, 26√2, 28√2, 48, 52, 56, 52√2.

Code: 565 0 48 524 52 52 523 104 52 41 56 52 245 56 28 244 80 28 266 78 26 485 0 0 361 36 48 305 36 18 201 56 48 104 66 18 280 76 28 24 78 26 65 36 12 64 42 12 96 39 9 187 48 18 34 39 9

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)

56
52√2
52
4
24
24√2
26√2
48
36
30
20
10√2
28√2
2√2
6
6√2
9√2
18
3√2