Order 28.
| C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | C12 | C13 | C14 | C15 | C16 | C17 | C18 | C19 | C20 | C21 | C22 | C23 | C24 | C25 | C26 | C27 | C28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| size | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| order | 1 | 7 | 7 | 7 | 7 | 7 | 7 | 2 | 14 | 14 | 14 | 14 | 14 | 14 | 2 | 14 | 14 | 14 | 14 | 14 | 14 | 2 | 14 | 14 | 14 | 14 | 14 | 14 |
| χ1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| χ2 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 |
| χ3 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 |
| χ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 |
| χ5 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 |
| χ6 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 |
| χ7 | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ |
| χ8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 |
| χ9 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 |
| χ10 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 |
| χ11 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 |
| χ12 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 |
| χ13 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 |
| χ14 | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ |
| χ15 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 |
| χ16 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 |
| χ17 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 |
| χ18 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 |
| χ19 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 |
| χ20 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 |
| χ21 | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ |
| χ22 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| χ23 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 | -1 | −ζ | −ζ2 | −ζ3 | −ζ4 | −ζ5 | −ζ6 | 1 | ζ | ζ2 | ζ3 | ζ4 | ζ5 | ζ6 |
| χ24 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 | -1 | −ζ2 | −ζ4 | −ζ6 | −ζ | −ζ3 | −ζ5 | 1 | ζ2 | ζ4 | ζ6 | ζ | ζ3 | ζ5 |
| χ25 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 | -1 | −ζ3 | −ζ6 | −ζ2 | −ζ5 | −ζ | −ζ4 | 1 | ζ3 | ζ6 | ζ2 | ζ5 | ζ | ζ4 |
| χ26 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 | -1 | −ζ4 | −ζ | −ζ5 | −ζ2 | −ζ6 | −ζ3 | 1 | ζ4 | ζ | ζ5 | ζ2 | ζ6 | ζ3 |
| χ27 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 | -1 | −ζ5 | −ζ3 | −ζ | −ζ6 | −ζ4 | −ζ2 | 1 | ζ5 | ζ3 | ζ | ζ6 | ζ4 | ζ2 |
| χ28 | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ | -1 | −ζ6 | −ζ5 | −ζ4 | −ζ3 | −ζ2 | −ζ | 1 | ζ6 | ζ5 | ζ4 | ζ3 | ζ2 | ζ |
Here ζ is a primitive root of unity of order 7 (ζ7 = 1).