S2:{4,8}

Statistics

genus c2, orientable
Schläfli formula c{4,8}
V / F / E c 2 / 4 / 8
notesFaces share vertices with themselves is not a polyhedral map permutes its vertices oddly
vertex, face multiplicity c8, 2
Petrie polygons
holes
2nd-order Petrie polygons
3rd-order holes
3rd-order Petrie polygons
4th-order holes
2, each with 8 edges
8, each with 2 edges
4, each with 4 edges
4, each with 4 edges
2, each with 8 edges
8, each with 2 edges
antipodal sets1 of ( 2v ), 2 of ( 2f ), 4 of ( 2e )
rotational symmetry groupquasidihedral(16), with 16 elements
full symmetry group32 elements.
its presentation c< r, s, t | t2, r4, (rs)2, (rs‑1)2, (rt)2, (st)2, s‑2r2s‑2 >
C&D number cR2.3
The statistics marked c are from the published work of Professor Marston Conder.

Relations to other Regular Maps

Its dual is S2:{8,4}.

Its Petrie dual is S3:{8,8}4.

It can be 2-fold covered to give S3:{4,8|4}.
It can be 2-fold covered to give S3:{4,8|2}.

It can be rectified to give rectification of S2:{8,4}.

It can be derived by stellation (with path <1,-1>) from S2:{3,8}. The density of the stellation is 3.

It is a member of series h.

List of regular maps in orientable genus 2.

Underlying Graph

Its skeleton is 8 . K2.

Comments

This regular map features in Jarke J. van Wijk's movie Symmetric Tiling of Closed Surfaces: Visualization of Regular Maps, 0:55 seconds from the start. It is shown as a "wireframe diagram", on 2-fold 1-cycle. The wireframe is arranged as the skeleton of {4,4}(1,0).


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The images on this page are copyright © 2010 N. Wedd