| 1 | a | b | a2 | ba | b2 | a3 | ba2 | b2a | a4 | ba3 | b2a2 | a5 | ba4 | ba5 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | ba | b2 | a3 | ba2 | b2a | a4 | ba3 | b2a2 | a5 | ba4 | ba5 |
| a | a | a2 | a2 | a3 | a3 | a3 | a4 | a4 | a4 | a5 | a5 | a5 | a3 | a3 | a4 |
| b | b | ba | b2 | ba2 | b2a | b2a | ba3 | b2a2 | b2a2 | ba4 | b2 | b2 | ba5 | b2a | b2a2 |
| a2 | a2 | a3 | a3 | a4 | a4 | a4 | a5 | a5 | a5 | a3 | a3 | a3 | a4 | a4 | a5 |
| ba | ba | ba2 | ba2 | ba3 | ba3 | ba3 | ba4 | ba4 | ba4 | ba5 | ba5 | ba5 | ba3 | ba3 | ba4 |
| b2 | b2 | b2a | b2a | b2a2 | b2a2 | b2a2 | b2 | b2 | b2 | b2a | b2a | b2a | b2a2 | b2a2 | b2 |
| a3 | a3 | a4 | a4 | a5 | a5 | a5 | a3 | a3 | a3 | a4 | a4 | a4 | a5 | a5 | a3 |
| ba2 | ba2 | ba3 | ba3 | ba4 | ba4 | ba4 | ba5 | ba5 | ba5 | ba3 | ba3 | ba3 | ba4 | ba4 | ba5 |
| b2a | b2a | b2a2 | b2a2 | b2 | b2 | b2 | b2a | b2a | b2a | b2a2 | b2a2 | b2a2 | b2 | b2 | b2a |
| a4 | a4 | a5 | a5 | a3 | a3 | a3 | a4 | a4 | a4 | a5 | a5 | a5 | a3 | a3 | a4 |
| ba3 | ba3 | ba4 | ba4 | ba5 | ba5 | ba5 | ba3 | ba3 | ba3 | ba4 | ba4 | ba4 | ba5 | ba5 | ba3 |
| b2a2 | b2a2 | b2 | b2 | b2a | b2a | b2a | b2a2 | b2a2 | b2a2 | b2 | b2 | b2 | b2a | b2a | b2a2 |
| a5 | a5 | a3 | a3 | a4 | a4 | a4 | a5 | a5 | a5 | a3 | a3 | a3 | a4 | a4 | a5 |
| ba4 | ba4 | ba5 | ba5 | ba3 | ba3 | ba3 | ba4 | ba4 | ba4 | ba5 | ba5 | ba5 | ba3 | ba3 | ba4 |
| ba5 | ba5 | ba3 | ba3 | ba4 | ba4 | ba4 | ba5 | ba5 | ba5 | ba3 | ba3 | ba3 | ba4 | ba4 | ba5 |
| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 9 | 〈a, b | aaa=bb, aba=a〉 | Finite non-commutative monoid with 15 elements | 2 isomorphic |
| 9 | 〈a, b | aaa=bb, aba=b〉 | Finite non-commutative monoid with 15 elements | 1 isomorphic |
| 9 | 〈a, b | aaab=1, bbbbb=1〉 | Isomorphic to ℤ15 | 138 isomorphic |
| 9 | 〈a, b | aaa=a, abbb=b〉 | Finite non-commutative monoid with 15 elements | 4 isomorphic |
| 10 | 〈a, b | aaa=bb, aba=aa〉 | Finite non-commutative monoid with 15 elements | 1 isomorphic |
| 10 | 〈a, b | aaa=bb, aba=bb〉 | Finite non-commutative monoid with 15 elements | 2 isomorphic |
| 10 | 〈a, b | aaa=a, bbbbb=a〉 | Finite commutative monoid with 15 elements | |
| 10 | 〈a, b | aaa=b, bbbbb=a〉 | Finite commutative monoid with 15 elements | |
| 10 | 〈a, b | aaa=b, bbbbb=b〉 | Finite commutative monoid with 15 elements | |
| 11 | 〈a, b | abb=aaa, baaa=b〉 | Finite non-commutative monoid with 15 elements | 3 isomorphic |
| 11 | 〈a, b | abb=aaa, baba=b〉 | Finite non-commutative monoid with 15 elements | 1 isomorphic |
| 11 | 〈a, b | aab=aaa, aba=bb〉 | Finite non-commutative monoid with 15 elements | |
| 11 | 〈a, b | abb=aaa, bbb=ab〉 | Finite non-commutative monoid with 15 elements | 1 isomorphic |
| 11 | 〈a, b | abb=aaa, bbb=ba〉 | Finite non-commutative monoid with 15 elements | |
| 11 | 〈a, b | aaa=aa, bbbbb=a〉 | Finite commutative monoid with 15 elements | |
| 11 | 〈a, b | aaa=ab, baabb=b〉 | Finite non-commutative monoid with 15 elements | 5 isomorphic |
| 11 | 〈a, b | aaa=ab, bbbbb=a〉 | Finite commutative monoid with 15 elements | 1 isomorphic |
| 11 | 〈a, b | aaa=bb, bbbbb=a〉 | Finite commutative monoid with 15 elements | 1 isomorphic |
| 11 | 〈a, b | aaa=ab, bbbb=aa〉 | Finite non-commutative monoid with 15 elements | |
| 11 | 〈a, b | aab=aa, bbbb=ab〉 | Finite non-commutative monoid with 15 elements | |
| 11 | 〈a, b | aaa=b, bbbbb=ab〉 | Finite commutative monoid with 15 elements | |
| 11 | 〈a, b | aab=a, bbbbb=ba〉 | Finite non-commutative monoid with 15 elements | 1 anti-isomorphic |
| 11 | 〈a, b | aab=b, bbaa=aaa〉 | Finite non-commutative monoid with 15 elements |
| Length: | Presentation: |
|---|---|
| 11 | 〈a, b | ab=aa, bbaab=bb〉 |
| 11 | 〈a, b | ab=aa, bbaba=bb〉 |
| 11 | 〈a, b | ab=aa, bbabb=bb〉 |
| 11 | 〈a, b | ab=aa, bbbaa=bb〉 |
| 11 | 〈a, b | ab=aa, bbbab=bb〉 |
| 11 | 〈a, b | ab=aa, bbbba=bb〉 |