genus c | 81, orientable |
Schläfli formula c | {30,5} |
V / F / E c | 120 / 20 / 300 |
notes | ![]() |
vertex, face multiplicity c | 1, 5 |
150, each with 4 edges 30, each with 20 edges 100, each with 6 edges | |
rotational symmetry group | 600 elements. |
full symmetry group | 1200 elements. |
its presentation c | < r, s, t | t2, (sr)2, (st)2, (rt)2, s‑5, r‑1s‑1rs2rs‑1r‑1, sr‑1s‑2r3s‑2r‑1sr‑3 > |
C&D number c | R81.40′ |
The statistics marked c are from the published work of Professor Marston Conder. |
Its Petrie dual is
Its 2-hole derivative is
List of regular maps in orientable genus 81.
Orientable | |
Non-orientable |
Groups of order 4 6 8 9 10 12 14 15 16 18 20 21 22 24 25 27 28 30 48 60 120 168 336 360 720