| genus c | 20, orientable |
| Schläfli formula c | {45,18} |
| V / F / E c | 5 / 2 / 45 |
| notes | |
| vertex, face multiplicity c | 9, 45 |
| 9, each with 10 edges | |
| rotational symmetry group | 90 elements. |
| full symmetry group | 180 elements. |
| its presentation c | < r, s, t | t2, (sr)2, (st)2, (rt)2, rs3rs‑1, rs‑4r4 > |
| C&D number c | R20.9′ |
| The statistics marked c are from the published work of Professor Marston Conder. | |
Its Petrie dual is
It can be 2-split to give
List of regular maps in orientable genus 20.
| Orientable | |
| Non-orientable |