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# ab:ab=a,aaaa=bb a/b aaaaa=a ba=a ab=a bb=aaaa
| 1 | a | b | a2 | a3 | a4 | |
|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | a3 | a4 |
| a | a | a2 | a | a3 | a4 | a |
| b | b | a | a4 | a2 | a3 | a4 |
| a2 | a2 | a3 | a2 | a4 | a | a2 |
| a3 | a3 | a4 | a3 | a | a2 | a3 |
| a4 | a4 | a | a4 | a2 | a3 | a4 |
| Σ | # | Presentation | Description | Related |
|---|---|---|---|---|
| 6 | 22 | ⟨a, b | ab=aa, bb=1⟩ | Finite non-commutative monoid with 6 elements | 44 iso, 63 anti-iso |
| 6 | 26 | ⟨a, b | aaa=1, abb=1⟩ | Isomorphic to ℤ6 | 1373 iso |
| 7 | 160 | ⟨a, b | ab=aa, bb=b⟩ | Finite non-commutative monoid with 6 elements | 4 anti-iso |
| 7 | 245 | ⟨a, b | aa=a, bbb=a⟩ | Isomorphic to ℕ(6 = 3) | 49 iso |
| 7 | 257 | ⟨a, b | aa=b, bbb=a⟩ | Isomorphic to ℕ(6 = 1) | 61 iso |
| 7 | 258 | ⟨a, b | aa=b, bbb=b⟩ | Isomorphic to ℕ(6 = 2) | 55 iso |
| 8 | 639 | ⟨a, b | ab=aa, baa=b⟩ | Finite non-commutative monoid with 6 elements | 5 iso, 8 anti-iso |
| 8 | 644 | ⟨a, b | ab=aa, bbb=a⟩ | Isomorphic to ℕ(6 = 4) | 46 iso |
| 8 | 893 | ⟨a, b | aa=a, abbb=b⟩ | Finite non-commutative monoid with 6 elements | 19 iso |
| 8 | 1011 | ⟨a, b | ab=a, baa=bb⟩ | Finite non-commutative monoid with 6 elements | 12 iso, 1 anti-iso |
| 9 | 1427 | ⟨a, b | abba=b, baba=1⟩ | Finite non-Abelian group with 6 elements | 66 iso |
| 9 | 1581 | ⟨a, b | aaa=aa, abb=b⟩ | Finite non-commutative monoid with 6 elements | 5 iso |
| 9 | 1648 | ⟨a, b | aab=bb, abb=a⟩ | Finite commutative monoid with 6 elements | 13 iso |
| 9 | 1686 | ⟨a, b | abb=aa, bbb=a⟩ | Isomorphic to ℕ(6 = 5) | 49 iso |
| 9 | 3132 | ⟨a, b | ab=a, bbbb=aa⟩ | Finite commutative monoid with 6 elements | 5 iso |
| 9 | 3134 | ⟨a, b | ab=a, bbbb=ba⟩ | Finite non-commutative monoid with 6 elements | 2 iso |
| 9 | 3193 | ⟨a, b | ab=a, bbb=aaa⟩ | Finite commutative monoid with 6 elements | 9 iso |
| 9 | 3199 | ⟨a, b | ab=a, bbb=bba⟩ | Finite non-commutative monoid with 6 elements | 3 iso |
| 11 | 24145 | ⟨a, b | aa=a, abbbbba=b⟩ | Finite commutative monoid with 6 elements |
14 total
| Σ | # | Presentation | Mapping |
|---|---|---|---|
| 10 | 8991 | ⟨a, b | ab=a, aaaab=bb⟩ | φ(a) = a, φ(b) = b |
| 10 | 8995 | ⟨a, b | ab=a, aaaba=bb⟩ | φ(a) = a, φ(b) = b |
| 10 | 9003 | ⟨a, b | ab=a, aabaa=bb⟩ | φ(a) = a, φ(b) = b |
| 10 | 9019 | ⟨a, b | ab=a, abaaa=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24875 | ⟨a, b | ab=a, aaaabb=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24883 | ⟨a, b | ab=a, aaabab=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24887 | ⟨a, b | ab=a, aaabba=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24899 | ⟨a, b | ab=a, aabaab=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24903 | ⟨a, b | ab=a, aababa=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24911 | ⟨a, b | ab=a, aabbaa=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24931 | ⟨a, b | ab=a, abaaab=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24935 | ⟨a, b | ab=a, abaaba=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24943 | ⟨a, b | ab=a, ababaa=bb⟩ | φ(a) = a, φ(b) = b |
| 11 | 24959 | ⟨a, b | ab=a, abbaaa=bb⟩ | φ(a) = a, φ(b) = b |