| genus c | 21, orientable |
| Schläfli formula c | {56,8} |
| V / F / E c | 14 / 2 / 56 |
| notes | |
| vertex, face multiplicity c | 4, 56 |
| 8, each with 14 edges | |
| rotational symmetry group | 112 elements. |
| full symmetry group | 224 elements. |
| its presentation c | < r, s, t | t2, (sr)2, (st)2, (rt)2, rs3rs‑1, s8, r7sr‑2sr5 > |
| C&D number c | R21.29′ |
| The statistics marked c are from the published work of Professor Marston Conder. | |
Its Petrie dual is
It can be 3-split to give
List of regular maps in orientable genus 21.
| Orientable | |
| Non-orientable |