| 1 | b | b2 | b3 | b4 | |
|---|---|---|---|---|---|
| 1 | 1 | b | b2 | b3 | b4 |
| b | b | b2 | b3 | b4 | b4 |
| b2 | b2 | b3 | b4 | b4 | b4 |
| b3 | b3 | b4 | b4 | b4 | b4 |
| b4 | b4 | b4 | b4 | b4 | b4 |
| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 6 | 〈a, b | aa=b, abb=1〉 | Isomorphic to ℤ5 | 1132 isomorphic |
| 7 | 〈a, b | aa=b, abb=a〉 | Finite commutative monoid with 5 elements | 71 isomorphic |
| 7 | 〈a, b | aa=b, abb=b〉 | Finite commutative monoid with 5 elements | 43 isomorphic |
| 7 | 〈a, b | ab=a, baa=b〉 | Finite non-commutative monoid with 5 elements | 43 isomorphic |
| 8 | 〈a, b | aaa=b, aab=b〉 | Finite commutative monoid with 5 elements | 27 isomorphic |
| 8 | 〈a, b | aab=a, baa=b〉 | Finite non-commutative monoid with 5 elements | 8 isomorphic |
| 8 | 〈a, b | aab=b, aba=a〉 | Finite non-commutative monoid with 5 elements | 8 isomorphic |
| 8 | 〈a, b | ab=a, aaa=bb〉 | Finite commutative monoid with 5 elements | 19 isomorphic |
| 8 | 〈a, b | ab=a, bba=bb〉 | Finite non-commutative monoid with 5 elements | 15 isomorphic |
| 8 | 〈a, b | ab=a, bbb=aa〉 | Finite commutative monoid with 5 elements | 9 isomorphic |
| 8 | 〈a, b | ab=a, bbb=ba〉 | Finite non-commutative monoid with 5 elements | 4 isomorphic |
| 9 | 〈a, b | aab=aa, bba=b〉 | Finite non-commutative monoid with 5 elements | 9 isomorphic |
| 9 | 〈a, b | aab=b, aaba=a〉 | Finite non-commutative monoid with 5 elements | 10 isomorphic |
| 10 | 〈a, b | aa=a, abbbba=b〉 | Finite commutative monoid with 5 elements | 3 isomorphic |
| 11 | 〈a, b | aabb=a, baabb=b〉 | Finite non-commutative monoid with 5 elements | 10 isomorphic, 3 anti-isomorphic |
| 11 | 〈a, b | aaa=aa, abbba=b〉 | Finite commutative monoid with 5 elements |
| Length: | Presentation: |
|---|---|
| 8 | 〈a, b | aa=b, abb=bb〉 |
| 8 | 〈a, b | aa=b, bab=bb〉 |
| 9 | 〈a, b | abb=ab, bbb=a〉 |
| 9 | 〈a, b | abb=ba, bbb=a〉 |
| 9 | 〈a, b | bab=ab, bbb=a〉 |
| 9 | 〈a, b | aa=b, aaab=bb〉 |
| 9 | 〈a, b | aa=b, aaba=bb〉 |
| 9 | 〈a, b | ab=a, bbbb=ab〉 |
| 9 | 〈a, b | aa=b, abb=aab〉 |
| 9 | 〈a, b | aa=b, abb=aba〉 |
| 9 | 〈a, b | aa=b, baa=abb〉 |
| 9 | 〈a, b | aa=b, bab=aab〉 |
| 9 | 〈a, b | aa=b, bab=aba〉 |
| 10 | 〈a, b | aa=b, aaaaa=bb〉 |
| 10 | 〈a, b | aa=b, aaaa=abb〉 |
| 10 | 〈a, b | aa=b, aaaa=bab〉 |
| 10 | 〈a, b | aa=b, aaab=aab〉 |
| 10 | 〈a, b | aa=b, aaab=aba〉 |
| 10 | 〈a, b | aa=b, aaab=baa〉 |
| 10 | 〈a, b | aa=b, aaba=aab〉 |
| 10 | 〈a, b | aa=b, aaba=aba〉 |
| 10 | 〈a, b | aa=b, aaba=baa〉 |
| 10 | 〈a, b | ab=a, bbbb=abb〉 |
| 11 | 〈a, b | aaaa=b, aaaaa=b〉 |
| 11 | 〈a, b | aaa=b, aaaaa=ab〉 |
| 11 | 〈a, b | aaa=b, aaaa=aab〉 |
| 11 | 〈a, b | aaa=b, aaaa=aba〉 |
| 11 | 〈a, b | aa=b, aaaaa=aab〉 |
| 11 | 〈a, b | aa=b, aaaaa=aba〉 |
| 11 | 〈a, b | aa=b, aaab=aaaa〉 |
| 11 | 〈a, b | aa=b, aaba=aaaa〉 |
| 11 | 〈a, b | ab=a, bbbb=abbb〉 |