| 1 | a | b | a2 | ab | ba | a3 | aba | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | ab | ba | a3 | aba |
| a | a | a2 | ab | a3 | a2 | aba | a2 | a3 |
| b | b | ba | b | b | ba | ba | ba | b |
| a2 | a2 | a3 | a2 | a2 | a3 | a3 | a3 | a2 |
| ab | ab | aba | ab | ab | aba | aba | aba | ab |
| ba | ba | b | ba | ba | b | b | b | ba |
| a3 | a3 | a2 | a3 | a3 | a2 | a2 | a2 | a3 |
| aba | aba | ab | aba | aba | ab | ab | ab | aba |
| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 7 | 〈a, b | aab=1, bbbb=1〉 | Isomorphic to ℤ8 | 727 isomorphic |
| 7 | 〈a, b | aa=1, abba=b〉 | Finite non-commutative monoid with 8 elements | 46 isomorphic |
| 8 | 〈a, b | aba=b, aabb=1〉 | Finite non-Abelian group with 8 elements | 28 isomorphic |
| 8 | 〈a, b | aa=a, bbbb=a〉 | Finite commutative monoid with 8 elements | 48 isomorphic |
| 8 | 〈a, b | aa=b, bbbb=a〉 | Finite commutative monoid with 8 elements | 34 isomorphic |
| 8 | 〈a, b | aa=b, bbbb=b〉 | Finite commutative monoid with 8 elements | 46 isomorphic |
| 8 | 〈a, b | aa=a, aba=bb〉 | Finite non-commutative monoid with 8 elements | 5 isomorphic |
| 8 | 〈a, b | aa=1, ababa=b〉 | Finite non-commutative monoid with 8 elements | 13 isomorphic |
| 9 | 〈a, b | aaa=bb, abb=b〉 | Finite commutative monoid with 8 elements | 55 isomorphic |
| 9 | 〈a, b | aaa=bb, bab=a〉 | Finite commutative monoid with 8 elements | 9 isomorphic |
| 9 | 〈a, b | aab=bb, baa=a〉 | Finite non-commutative monoid with 8 elements | 4 anti-isomorphic |
| 9 | 〈a, b | ab=aa, baaa=b〉 | Finite non-commutative monoid with 8 elements | 6 isomorphic |
| 9 | 〈a, b | ab=aa, bbbb=a〉 | Finite commutative monoid with 8 elements | 32 isomorphic |
| 9 | 〈a, b | bb=aa, aaab=a〉 | Finite commutative monoid with 8 elements | 3 isomorphic |
| 9 | 〈a, b | ab=aa, baa=bb〉 | Finite non-commutative monoid with 8 elements | 1 isomorphic |
| 9 | 〈a, b | ab=aa, bbb=aa〉 | Finite non-commutative monoid with 8 elements | 1 isomorphic |
| 9 | 〈a, b | ab=aa, bbb=ba〉 | Finite non-commutative monoid with 8 elements | |
| 9 | 〈a, b | aa=a, abbbb=b〉 | Finite non-commutative monoid with 8 elements | 14 isomorphic |
| 9 | 〈a, b | ab=a, baaa=bb〉 | Finite non-commutative monoid with 8 elements | 9 isomorphic |
| 9 | 〈a, b | ab=a, bbaa=bb〉 | Finite non-commutative monoid with 8 elements | 9 isomorphic |
| 10 | 〈a, b | aab=bb, aaaa=b〉 | Finite commutative monoid with 8 elements | 18 isomorphic |
| 10 | 〈a, b | aab=bb, abbb=a〉 | Finite commutative monoid with 8 elements | 10 isomorphic |
| 10 | 〈a, b | aba=aa, aaab=b〉 | Finite non-commutative monoid with 8 elements | 3 isomorphic |
| 10 | 〈a, b | aab=a, bbaa=bb〉 | Finite non-commutative monoid with 8 elements | |
| 10 | 〈a, b | aab=b, aaaa=ba〉 | Finite non-commutative monoid with 8 elements | |
| 10 | 〈a, b | aab=b, abaa=aa〉 | Finite non-commutative monoid with 8 elements | 1 isomorphic |
| 10 | 〈a, b | aab=b, abbb=aa〉 | Finite commutative monoid with 8 elements | 4 isomorphic |
| 10 | 〈a, b | ab=aa, aaaa=bb〉 | Finite non-commutative monoid with 8 elements | 7 isomorphic |
| 10 | 〈a, b | ab=a, bbbb=baa〉 | Finite non-commutative monoid with 8 elements | 2 isomorphic |
| 11 | 〈a, b | aabb=aa, abaa=b〉 | Finite commutative monoid with 8 elements | 7 isomorphic |
| 11 | 〈a, b | aabb=aa, bbba=b〉 | Finite non-commutative monoid with 8 elements | |
| 11 | 〈a, b | abbb=aa, bbbb=a〉 | Finite commutative monoid with 8 elements | 14 isomorphic |
| 11 | 〈a, b | aab=b, aabaa=aa〉 | Finite non-commutative monoid with 8 elements | 2 isomorphic |
| 11 | 〈a, b | aab=a, bbbb=bbb〉 | Finite non-commutative monoid with 8 elements | |
| 11 | 〈a, b | aab=b, aaaa=aba〉 | Finite non-commutative monoid with 8 elements | |
| 11 | 〈a, b | aab=b, aaaa=abb〉 | Finite commutative monoid with 8 elements | 1 isomorphic |
| 11 | 〈a, b | ab=a, aaaaaa=bb〉 | Finite commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbbbb=aa〉 | Finite commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbbbb=ba〉 | Finite non-commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, aaaaa=bbb〉 | Finite commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbbb=aaa〉 | Finite commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbbb=bba〉 | Finite non-commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbb=aaaa〉 | Finite commutative monoid with 8 elements | |
| 11 | 〈a, b | ab=a, bbbb=bbba〉 | Finite non-commutative monoid with 8 elements |
| Length: | Presentation: |
|---|---|
| 10 | 〈a, b | aab=aa, baab=b〉 |
| 10 | 〈a, b | aab=aa, baba=b〉 |
| 10 | 〈a, b | aab=aa, bbaa=b〉 |
| 11 | 〈a, b | aab=aa, baabb=b〉 |
| 11 | 〈a, b | aab=aa, babba=b〉 |
| 11 | 〈a, b | aab=aa, bbaab=b〉 |
| 11 | 〈a, b | aab=aa, bbaba=b〉 |
| 11 | 〈a, b | aab=aa, bbbaa=b〉 |