| 1 | a | b | a2 | ba | b2 | ba2 | b2a | b2a2 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | ba | b2 | ba2 | b2a | b2a2 |
| a | a | a2 | a | a | a2 | a | a | a2 | a |
| b | b | ba | b2 | ba2 | b2a | b2a2 | b2a2 | b2a | b2a2 |
| a2 | a2 | a | a2 | a2 | a | a2 | a2 | a | a2 |
| ba | ba | ba2 | ba | ba | ba2 | ba | ba | ba2 | ba |
| b2 | b2 | b2a | b2a2 | b2a2 | b2a | b2a2 | b2a2 | b2a | b2a2 |
| ba2 | ba2 | ba | ba2 | ba2 | ba | ba2 | ba2 | ba | ba2 |
| b2a | b2a | b2a2 | b2a | b2a | b2a2 | b2a | b2a | b2a2 | b2a |
| b2a2 | b2a2 | b2a | b2a2 | b2a2 | b2a | b2a2 | b2a2 | b2a | b2a2 |
| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 7 | 〈a, b | aaa=b, bbb=1〉 | Isomorphic to ℤ9 | 562 isomorphic |
| 8 | 〈a, b | aaa=a, abb=b〉 | Finite non-commutative monoid with 9 elements | 2 isomorphic |
| 8 | 〈a, b | aaa=a, bbb=a〉 | Finite commutative monoid with 9 elements | 48 isomorphic |
| 8 | 〈a, b | aaa=b, bbb=a〉 | Finite commutative monoid with 9 elements | 62 isomorphic |
| 8 | 〈a, b | aba=b, bab=a〉 | Finite non-commutative monoid with 9 elements | 3 isomorphic |
| 9 | 〈a, b | aaa=aa, bbb=a〉 | Finite commutative monoid with 9 elements | 16 isomorphic |
| 9 | 〈a, b | aaa=ab, bab=b〉 | Finite non-commutative monoid with 9 elements | 4 isomorphic |
| 9 | 〈a, b | aaa=ab, bbb=a〉 | Finite commutative monoid with 9 elements | 40 isomorphic |
| 9 | 〈a, b | aaa=bb, bbb=a〉 | Finite commutative monoid with 9 elements | 70 isomorphic |
| 9 | 〈a, b | aaa=a, abab=b〉 | Finite non-commutative monoid with 9 elements | 2 isomorphic |
| 9 | 〈a, b | aaa=a, abba=b〉 | Finite non-commutative monoid with 9 elements | 2 isomorphic |
| 9 | 〈a, b | aab=b, abba=a〉 | Finite non-commutative monoid with 9 elements | 13 isomorphic |
| 9 | 〈a, b | ab=aa, bba=bb〉 | Finite non-commutative monoid with 9 elements | |
| 9 | 〈a, b | ab=a, baaaa=b〉 | Finite non-commutative monoid with 9 elements | 20 isomorphic |
| 10 | 〈a, b | aab=aaa, baa=b〉 | Finite non-commutative monoid with 9 elements | 1 isomorphic |
| 10 | 〈a, b | aab=aaa, bbb=a〉 | Finite commutative monoid with 9 elements | 1 isomorphic |
| 10 | 〈a, b | abb=aaa, bbb=a〉 | Finite commutative monoid with 9 elements | 12 isomorphic |
| 10 | 〈a, b | aaa=aa, abbb=b〉 | Finite non-commutative monoid with 9 elements | 3 isomorphic |
| 10 | 〈a, b | aaa=bb, aaba=b〉 | Finite commutative monoid with 9 elements | |
| 10 | 〈a, b | aab=aa, bbbb=a〉 | Finite commutative monoid with 9 elements | 5 isomorphic |
| 10 | 〈a, b | aaa=bb, aab=ab〉 | Finite non-commutative monoid with 9 elements | 1 isomorphic |
| 10 | 〈a, b | aaa=a, ababa=b〉 | Finite non-commutative monoid with 9 elements | |
| 10 | 〈a, b | aab=a, baaaa=b〉 | Finite non-commutative monoid with 9 elements | |
| 10 | 〈a, b | aba=a, aaaab=b〉 | Finite non-commutative monoid with 9 elements | |
| 10 | 〈a, b | aab=b, bbb=aaa〉 | Finite commutative monoid with 9 elements | 1 isomorphic |
| 10 | 〈a, b | bb=aa, aaaa=ab〉 | Finite non-commutative monoid with 9 elements | 2 isomorphic |
| 10 | 〈a, b | bb=aa, aabb=ba〉 | Finite non-commutative monoid with 9 elements | |
| 10 | 〈a, b | ab=a, baaa=bbb〉 | Finite non-commutative monoid with 9 elements | 3 isomorphic |
| 11 | 〈a, b | aba=aaa, aaab=b〉 | Finite non-commutative monoid with 9 elements | 3 isomorphic |
| 11 | 〈a, b | abb=aaa, aaab=b〉 | Finite commutative monoid with 9 elements | 7 isomorphic |
| 11 | 〈a, b | aaab=a, baaaa=b〉 | Finite non-commutative monoid with 9 elements | 1 isomorphic |
| 11 | 〈a, b | aab=b, aaaaa=ba〉 | Finite non-commutative monoid with 9 elements | |
| 11 | 〈a, b | aab=b, aaaaa=bb〉 | Finite commutative monoid with 9 elements | |
| 11 | 〈a, b | aab=b, abaa=aaa〉 | Finite non-commutative monoid with 9 elements | |
| 11 | 〈a, b | aab=b, babb=aaa〉 | Finite commutative monoid with 9 elements | 3 isomorphic |
| 11 | 〈a, b | aba=a, abab=bbb〉 | Finite non-commutative monoid with 9 elements | |
| 11 | 〈a, b | ab=aa, aaaaa=bb〉 | Finite non-commutative monoid with 9 elements | 15 isomorphic |
| 11 | 〈a, b | ab=a, bbbbb=baa〉 | Finite non-commutative monoid with 9 elements |
| Length: | Presentation: |
|---|---|
| 11 | 〈a, b | ab=a, bbaab=bbb〉 |
| 11 | 〈a, b | ab=a, bbaba=bbb〉 |