| 1 | a | b | a2 | ab | ba | b2 | a2b | aba | ab2 | bab | b3 | a2ba | a2b2 | (ab)2 | ab3 | bab2 | a(ab)2 | a2b3 | abab2 | bab3 | a2bab2 | abab3 | a2bab3 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | ab | ba | b2 | a2b | aba | ab2 | bab | b3 | a2ba | a2b2 | (ab)2 | ab3 | bab2 | a(ab)2 | a2b3 | abab2 | bab3 | a2bab2 | abab3 | a2bab3 |
| a | a | a2 | ab | b2 | a2b | aba | ab2 | b3 | a2ba | a2b2 | (ab)2 | ab3 | bab2 | 1 | a(ab)2 | a2b3 | abab2 | bab3 | b | a2bab2 | abab3 | ba | a2bab3 | bab |
| b | b | ba | b2 | (ab)2 | bab | ab2 | b3 | abab2 | a2b | bab2 | ab3 | 1 | a2bab3 | abab3 | a2b2 | bab3 | a | a2ba | aba | a2b3 | ab | a(ab)2 | a2 | a2bab2 |
| a2 | a2 | b2 | a2b | ab2 | b3 | a2ba | a2b2 | ab3 | bab2 | 1 | a(ab)2 | a2b3 | abab2 | a | bab3 | b | a2bab2 | abab3 | ab | ba | a2bab3 | aba | bab | (ab)2 |
| ab | ab | aba | ab2 | a(ab)2 | (ab)2 | a2b2 | ab3 | a2bab2 | b3 | abab2 | a2b3 | a | bab | a2bab3 | 1 | abab3 | a2 | bab2 | a2ba | b | a2b | bab3 | b2 | ba |
| ba | ba | (ab)2 | bab | b3 | abab2 | a2b | bab2 | 1 | a2bab3 | abab3 | a2b2 | bab3 | a | b | a2ba | aba | a2b3 | ab | b2 | a(ab)2 | a2 | ab2 | a2bab2 | ab3 |
| b2 | b2 | ab2 | b3 | a2b2 | ab3 | bab2 | 1 | a2b3 | abab2 | a | bab3 | b | a2bab2 | a2 | abab3 | ab | ba | a2bab3 | a2b | aba | bab | a2ba | (ab)2 | a(ab)2 |
| a2b | a2b | a2ba | a2b2 | bab3 | a(ab)2 | 1 | a2b3 | ba | ab3 | a2bab2 | b | a2 | (ab)2 | bab | a | a2bab3 | b2 | abab2 | bab2 | ab | b3 | abab3 | ab2 | aba |
| aba | aba | a(ab)2 | (ab)2 | ab3 | a2bab2 | b3 | abab2 | a | bab | a2bab3 | 1 | abab3 | a2 | ab | bab2 | a2ba | b | a2b | ab2 | bab3 | b2 | a2b2 | ba | a2b3 |
| ab2 | ab2 | a2b2 | ab3 | 1 | a2b3 | abab2 | a | b | a2bab2 | a2 | abab3 | ab | ba | b2 | a2bab3 | a2b | aba | bab | b3 | a2ba | (ab)2 | bab2 | a(ab)2 | bab3 |
| bab | bab | a2b | bab2 | a2ba | a2b2 | abab3 | bab3 | a(ab)2 | 1 | a2b3 | aba | ba | ab3 | a2bab2 | b | a2 | (ab)2 | a | a2bab3 | b2 | abab2 | ab | b3 | ab2 |
| b3 | b3 | bab2 | 1 | abab3 | bab3 | a | b | aba | a2b3 | ba | ab | b2 | a(ab)2 | (ab)2 | a2 | bab | ab2 | a2bab2 | abab2 | a2b | ab3 | a2bab3 | a2b2 | a2ba |
| a2ba | a2ba | bab3 | a(ab)2 | a2b3 | ba | ab3 | a2bab2 | a2 | (ab)2 | bab | a | a2bab3 | b2 | a2b | abab2 | bab2 | ab | b3 | a2b2 | abab3 | ab2 | 1 | aba | b |
| a2b2 | a2b2 | 1 | a2b3 | a | b | a2bab2 | a2 | ab | ba | b2 | a2bab3 | a2b | aba | ab2 | bab | b3 | a2ba | (ab)2 | ab3 | bab2 | a(ab)2 | abab2 | bab3 | abab3 |
| (ab)2 | (ab)2 | b3 | abab2 | bab2 | 1 | a2bab3 | abab3 | bab3 | a | b | a2ba | aba | a2b3 | ba | ab | b2 | a(ab)2 | a2 | bab | ab2 | a2bab2 | a2b | ab3 | a2b2 |
| ab3 | ab3 | abab2 | a | a2bab3 | abab3 | a2 | ab | a2ba | b | aba | a2b | ab2 | bab3 | a(ab)2 | b2 | (ab)2 | a2b2 | ba | a2bab2 | b3 | a2b3 | bab | 1 | bab2 |
| bab2 | bab2 | abab3 | bab3 | b | aba | a2b3 | ba | b2 | a(ab)2 | (ab)2 | a2 | bab | ab2 | b3 | a2bab2 | abab2 | a2b | ab3 | 1 | a2bab3 | a2b2 | a | a2ba | ab |
| a(ab)2 | a(ab)2 | ab3 | a2bab2 | abab2 | a | bab | a2bab3 | abab3 | a2 | ab | bab2 | a2ba | b | aba | a2b | ab2 | bab3 | b2 | (ab)2 | a2b2 | ba | b3 | a2b3 | 1 |
| a2b3 | a2b3 | a2bab2 | a2 | bab | a2bab3 | b2 | a2b | bab2 | ab | a2ba | b3 | a2b2 | abab3 | bab3 | ab2 | a(ab)2 | 1 | aba | ba | ab3 | b | (ab)2 | a | abab2 |
| abab2 | abab2 | a2bab3 | abab3 | ab | a2ba | b | aba | ab2 | bab3 | a(ab)2 | b2 | (ab)2 | a2b2 | ab3 | ba | a2bab2 | b3 | a2b3 | a | bab | 1 | a2 | bab2 | a2b |
| bab3 | bab3 | a2b3 | ba | a2bab2 | a2 | (ab)2 | bab | a2bab3 | b2 | a2b | abab2 | bab2 | ab | a2ba | b3 | a2b2 | abab3 | ab2 | a(ab)2 | 1 | aba | ab3 | b | a |
| a2bab2 | a2bab2 | bab | a2bab3 | a2b | bab2 | ab | a2ba | a2b2 | abab3 | bab3 | ab2 | a(ab)2 | 1 | a2b3 | aba | ba | ab3 | b | a2 | (ab)2 | a | b2 | abab2 | b3 |
| abab3 | abab3 | b | aba | ba | b2 | a(ab)2 | (ab)2 | bab | ab2 | b3 | a2bab2 | abab2 | a2b | bab2 | ab3 | 1 | a2bab3 | a2b2 | bab3 | a | a2ba | a2b3 | ab | a2 |
| a2bab3 | a2bab3 | ab | a2ba | aba | ab2 | bab3 | a(ab)2 | (ab)2 | a2b2 | ab3 | ba | a2bab2 | b3 | abab2 | a2b3 | a | bab | 1 | abab3 | a2 | bab2 | b | a2b | b2 |
| 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 |
| 10 | 〈a, b | aaa=1, abaab=ba〉 | Finite non-commutative monoid with 24 elements | 1 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 | 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 | aabba=1, ababab=1〉 |
| 11 | 〈a, b | aabba=1, bababa=1〉 |
| 11 | 〈a, b | abbba=1, ababab=1〉 |