| 1 | a | b | a2 | ab | ba | b2 | a2b | aba | ab2 | ba2 | bab | b2a | b3 | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | a2ba2 | a(ab)2 | a2b2a | a2b3 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | ab | ba | b2 | a2b | aba | ab2 | ba2 | bab | b2a | b3 | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | a2ba2 | a(ab)2 | a2b2a | a2b3 |
| a | a | a2 | ab | 1 | a2b | aba | ab2 | b | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | ba | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | ba2 | bab | b2a | b3 |
| b | b | ba | b2 | ba2 | bab | b2a | b3 | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | b | a2ba2 | a(ab)2 | a2b2a | a2b3 | ab | ba | a2b | aba | ab2 | ba2 |
| a2 | a2 | 1 | a2b | a | b | a2ba | a2b2 | ab | ba | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | aba | ab2 | ba2 | bab | b2a | b3 | aba2 | (ab)2 | ab2a | ab3 |
| ab | ab | aba | ab2 | aba2 | (ab)2 | ab2a | ab3 | ba | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | ab | ba2 | bab | b2a | b3 | a2b | aba | b | a2ba | a2b2 | aba2 |
| ba | ba | ba2 | bab | b | a2ba | a2b2 | aba2 | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | ab | ba | b2a | b3 | a2b | aba | ab2 | ba2 | (ab)2 | ab2a | ab3 | b |
| b2 | b2 | b2a | b3 | (ab)2 | ab2a | ab3 | b | a2ba2 | a(ab)2 | a2b2a | a2b3 | ab | ba | b2 | a2b | aba | ab2 | ba2 | bab | b2a | a2ba | a2b2 | aba2 | (ab)2 |
| a2b | a2b | a2ba | a2b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | aba | ab2 | ba2 | bab | b2a | b3 | a2b | aba2 | (ab)2 | ab2a | ab3 | b | a2ba | ab | ba | b2 | a2ba2 |
| aba | aba | aba2 | (ab)2 | ab | ba | b2 | a2ba2 | ab2 | ba2 | bab | b2a | b3 | a2b | aba | ab2a | ab3 | b | a2ba | a2b2 | aba2 | a(ab)2 | a2b2a | a2b3 | ab |
| ab2 | ab2 | ab2a | ab3 | a(ab)2 | a2b2a | a2b3 | ab | ba2 | bab | b2a | b3 | a2b | aba | ab2 | b | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ba | b2 | a2ba2 | a(ab)2 |
| ba2 | ba2 | b | a2ba | ba | b2 | a2ba2 | a(ab)2 | bab | b2a | b3 | a2b | aba | ab2 | ba2 | a2b2 | aba2 | (ab)2 | ab2a | ab3 | b | a2b2a | a2b3 | ab | ba |
| bab | bab | a2b2 | aba2 | a2b2a | a2b3 | ab | ba | b2a | b3 | a2b | aba | ab2 | ba2 | bab | (ab)2 | ab2a | ab3 | b | a2ba | a2b2 | b2 | a2ba2 | a(ab)2 | a2b2a |
| b2a | b2a | (ab)2 | ab2a | b2 | a2ba2 | a(ab)2 | a2b2a | b3 | a2b | aba | ab2 | ba2 | bab | b2a | ab3 | b | a2ba | a2b2 | aba2 | (ab)2 | a2b3 | ab | ba | b2 |
| b3 | b3 | ab3 | b | a2b3 | ab | ba | b2 | a2b | aba | ab2 | ba2 | bab | b2a | b3 | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | a2ba2 | a(ab)2 | a2b2a | a2b3 |
| a2ba | a2ba | a2ba2 | a(ab)2 | a2b | aba | ab2 | ba2 | a2b2 | aba2 | (ab)2 | ab2a | ab3 | b | a2ba | a2b2a | a2b3 | ab | ba | b2 | a2ba2 | bab | b2a | b3 | a2b |
| a2b2 | a2b2 | a2b2a | a2b3 | bab | b2a | b3 | a2b | aba2 | (ab)2 | ab2a | ab3 | b | a2ba | a2b2 | ab | ba | b2 | a2ba2 | a(ab)2 | a2b2a | aba | ab2 | ba2 | bab |
| aba2 | aba2 | ab | ba | aba | ab2 | ba2 | bab | (ab)2 | ab2a | ab3 | b | a2ba | a2b2 | aba2 | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | ab | b2a | b3 | a2b | aba |
| (ab)2 | (ab)2 | b2 | a2ba2 | b2a | b3 | a2b | aba | ab2a | ab3 | b | a2ba | a2b2 | aba2 | (ab)2 | a(ab)2 | a2b2a | a2b3 | ab | ba | b2 | ab2 | ba2 | bab | b2a |
| ab2a | ab2a | a(ab)2 | a2b2a | ab2 | ba2 | bab | b2a | ab3 | b | a2ba | a2b2 | aba2 | (ab)2 | ab2a | a2b3 | ab | ba | b2 | a2ba2 | a(ab)2 | b3 | a2b | aba | ab2 |
| ab3 | ab3 | a2b3 | ab | b3 | a2b | aba | ab2 | b | a2ba | a2b2 | aba2 | (ab)2 | ab2a | ab3 | ba | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | ba2 | bab | b2a | b3 |
| a2ba2 | a2ba2 | a2b | aba | a2ba | a2b2 | aba2 | (ab)2 | a(ab)2 | a2b2a | a2b3 | ab | ba | b2 | a2ba2 | ab2 | ba2 | bab | b2a | b3 | a2b | ab2a | ab3 | b | a2ba |
| a(ab)2 | a(ab)2 | ab2 | ba2 | ab2a | ab3 | b | a2ba | a2b2a | a2b3 | ab | ba | b2 | a2ba2 | a(ab)2 | bab | b2a | b3 | a2b | aba | ab2 | a2b2 | aba2 | (ab)2 | ab2a |
| a2b2a | a2b2a | bab | b2a | a2b2 | aba2 | (ab)2 | ab2a | a2b3 | ab | ba | b2 | a2ba2 | a(ab)2 | a2b2a | b3 | a2b | aba | ab2 | ba2 | bab | ab3 | b | a2ba | a2b2 |
| a2b3 | a2b3 | b3 | a2b | ab3 | b | a2ba | a2b2 | ab | ba | b2 | a2ba2 | a(ab)2 | a2b2a | a2b3 | aba | ab2 | ba2 | bab | b2a | b3 | aba2 | (ab)2 | ab2a | ab3 |
| Length: | Presentation: | Description: | Related: |
|---|---|---|---|
| 8 | 〈a, b | aab=ba, bbb=1〉 | Finite non-commutative monoid with 24 elements | 6 isomorphic |
| 9 | 〈a, b | aaa=1, aaba=bb〉 | Finite non-commutative monoid with 24 elements | 5 isomorphic |
| 9 | 〈a, b | aaa=1, abab=ba〉 | Finite non-commutative monoid with 24 elements | 2 isomorphic, 3 anti-isomorphic |
| 10 | 〈a, b | aba=bb, aabbb=1〉 | Finite non-Abelian group with 24 elements | 22 isomorphic |
| 10 | 〈a, b | bb=aa, aaabab=1〉 | Finite non-Abelian group with 24 elements | 2 isomorphic |
| 11 | 〈a, b | ababa=b, abbaa=1〉 | Finite non-Abelian group with 24 elements | 2 isomorphic |
| 11 | 〈a, b | aaaab=1, bbbbbb=1〉 | Isomorphic to ℤ24 | 8 isomorphic |
| 11 | 〈a, b | aaabb=1, bababa=1〉 | Finite non-Abelian group with 24 elements | 3 isomorphic |
| 11 | 〈a, b | abba=b, aaabbb=1〉 | Finite non-Abelian group with 24 elements | 2 isomorphic |
| 11 | 〈a, b | abba=b, ababab=1〉 | Finite non-Abelian group with 24 elements | |
| 11 | 〈a, b | aba=b, aaabbbb=1〉 | Finite non-Abelian group with 24 elements | 7 isomorphic |
| 11 | 〈a, b | aba=a, aaaab=bb〉 | Finite non-commutative monoid with 24 elements | |
| 11 | 〈a, b | aba=b, aaaa=bab〉 | Finite non-commutative monoid with 24 elements | |
| 11 | 〈a, b | aaa=1, aabaaba=b〉 | Finite non-commutative monoid with 24 elements |
| Length: | Presentation: |
|---|---|
| 11 | 〈a, b | aaa=1, baab=aaba〉 |