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# ab:ab=aa,baa=b ba ba=bb aa=ab bbb=b
| 1 | a | b | ab | b2 | ab2 | |
|---|---|---|---|---|---|---|
| 1 | 1 | a | b | ab | b2 | ab2 |
| a | a | ab | ab | ab2 | ab2 | ab |
| b | b | b2 | b2 | b | b | b2 |
| ab | ab | ab2 | ab2 | ab | ab | ab2 |
| b2 | b2 | b | b | b2 | b2 | b |
| ab2 | ab2 | ab | ab | ab2 | ab2 | ab |
| Σ | # | Presentation | Description | Related |
|---|---|---|---|---|
| 6 | 22 | ⟨a, b | ab=aa, bb=1⟩ | Finite non-commutative monoid with 6 elements | 44 iso, 63 anti-iso |
| 6 | 26 | ⟨a, b | aaa=1, abb=1⟩ | Isomorphic to ℤ6 | 1373 iso |
| 7 | 160 | ⟨a, b | ab=aa, bb=b⟩ | Finite non-commutative monoid with 6 elements | 4 anti-iso |
| 7 | 245 | ⟨a, b | aa=a, bbb=a⟩ | Isomorphic to ℕ(6 = 3) | 49 iso |
| 7 | 257 | ⟨a, b | aa=b, bbb=a⟩ | Isomorphic to ℕ(6 = 1) | 61 iso |
| 7 | 258 | ⟨a, b | aa=b, bbb=b⟩ | Isomorphic to ℕ(6 = 2) | 55 iso |
| 8 | 644 | ⟨a, b | ab=aa, bbb=a⟩ | Isomorphic to ℕ(6 = 4) | 46 iso |
| 8 | 893 | ⟨a, b | aa=a, abbb=b⟩ | Finite non-commutative monoid with 6 elements | 19 iso |
| 8 | 1011 | ⟨a, b | ab=a, baa=bb⟩ | Finite non-commutative monoid with 6 elements | 12 iso, 1 anti-iso |
| 9 | 1427 | ⟨a, b | abba=b, baba=1⟩ | Finite non-Abelian group with 6 elements | 66 iso |
| 9 | 1581 | ⟨a, b | aaa=aa, abb=b⟩ | Finite non-commutative monoid with 6 elements | 5 iso |
| 9 | 1648 | ⟨a, b | aab=bb, abb=a⟩ | Finite commutative monoid with 6 elements | 13 iso |
| 9 | 1686 | ⟨a, b | abb=aa, bbb=a⟩ | Isomorphic to ℕ(6 = 5) | 49 iso |
| 9 | 3075 | ⟨a, b | ab=a, aaaa=bb⟩ | Finite commutative monoid with 6 elements | 14 iso |
| 9 | 3132 | ⟨a, b | ab=a, bbbb=aa⟩ | Finite commutative monoid with 6 elements | 5 iso |
| 9 | 3134 | ⟨a, b | ab=a, bbbb=ba⟩ | Finite non-commutative monoid with 6 elements | 2 iso |
| 9 | 3193 | ⟨a, b | ab=a, bbb=aaa⟩ | Finite commutative monoid with 6 elements | 9 iso |
| 9 | 3199 | ⟨a, b | ab=a, bbb=bba⟩ | Finite non-commutative monoid with 6 elements | 3 iso |
| 11 | 24145 | ⟨a, b | aa=a, abbbbba=b⟩ | Finite commutative monoid with 6 elements |
5 total
| Σ | # | Presentation | Mapping |
|---|---|---|---|
| 8 | 641 | ⟨a, b | ab=aa, bab=b⟩ | φ(a) = a, φ(b) = b |
| 8 | 643 | ⟨a, b | ab=aa, bba=b⟩ | φ(a) = a, φ(b) = b |
| 9 | 1661 | ⟨a, b | aba=aa, baa=b⟩ | φ(a) = a, φ(b) = bb |
| 10 | 6637 | ⟨a, b | aab=a, baab=bb⟩ | φ(a) = b, φ(b) = a |
| 10 | 6641 | ⟨a, b | aab=a, baba=bb⟩ | φ(a) = b, φ(b) = a |
8 total
| Σ | # | Presentation | Mapping |
|---|---|---|---|
| 10 | 5229 | ⟨a, b | aba=aa, aabb=b⟩ | φ(a) = a, φ(b) = bb |
| 10 | 5231 | ⟨a, b | aba=aa, abab=b⟩ | φ(a) = a, φ(b) = bb |
| 10 | 6670 | ⟨a, b | aab=b, aaba=aa⟩ | φ(a) = a, φ(b) = b |
| 10 | 6744 | ⟨a, b | aba=a, abab=bb⟩ | φ(a) = b, φ(b) = a |
| 11 | 15816 | ⟨a, b | aba=aa, aabbb=b⟩ | φ(a) = a, φ(b) = bb |
| 11 | 15822 | ⟨a, b | aba=aa, ababb=b⟩ | φ(a) = a, φ(b) = bb |
| 11 | 15824 | ⟨a, b | aba=aa, abbab=b⟩ | φ(a) = a, φ(b) = bb |
| 11 | 19512 | ⟨a, b | aab=b, aaaba=aa⟩ | φ(a) = a, φ(b) = bb |