v23CCCACCCACCACCACAACCAACCAACCACAACAACAAACAAE

V=23   E=63   F=42

symmetry *22 · Eisenstein: v9a T=3 (1,1)

Models can be manipulated.

Euclidean
ideal to Euclidean, Poincaré
ideal to Euclidean, Klein
ideal net
ideal net
CLERS colored
CLERS layout
CLERS layout

Eisenstein family v9a — red this net, blue ancestors, green descendants, grey cousins; mirror sector below the axis (reflections lumped); dashed ray = the Z-multiples. · family map, from the unit’s point of view

T=1 (1,0) v=9T1 (1,0)v=9T=3 (1,1) v=23T3 (1,1)v=23T=3 (1,1) v=23T=4 (2,0) v=30T4 (2,0)v=30T=7 (2,1) v=51T7 (2,1)v=51T=7 (2,1) v=51T=12 (2,2) v=86T12 (2,2)v=86T=12 (2,2) v=86T=9 (3,0) v=65T9 (3,0)v=65T=13 (3,1) v=93T13 (3,1)v=93T=13 (3,1) v=93T=19 (3,2) v=135T19 (3,2)v=135T=19 (3,2) v=135T=27 (3,3) v=191T27 (3,3)v=191T=27 (3,3) v=191T=16 (4,0) v=114T16 (4,0)v=114T=21 (4,1) v=149T21 (4,1)v=149T=21 (4,1) v=149T=25 (5,0) v=177T25 (5,0)v=177