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# ab:aab=b,bbbb=aaa b/a bbbbbbbbb=b ab=bbbbb ba=bbbbb aaa=bbbb
| 1 | a | b | a2 | b2 | b3 | b4 | b5 | b6 | b7 | b8 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | b | a2 | b2 | b3 | b4 | b5 | b6 | b7 | b8 |
| a | a | a2 | b5 | b4 | b6 | b7 | b8 | b | b2 | b3 | b4 |
| b | b | b5 | b2 | b | b3 | b4 | b5 | b6 | b7 | b8 | b |
| a2 | a2 | b4 | b | b8 | b2 | b3 | b4 | b5 | b6 | b7 | b8 |
| b2 | b2 | b6 | b3 | b2 | b4 | b5 | b6 | b7 | b8 | b | b2 |
| b3 | b3 | b7 | b4 | b3 | b5 | b6 | b7 | b8 | b | b2 | b3 |
| b4 | b4 | b8 | b5 | b4 | b6 | b7 | b8 | b | b2 | b3 | b4 |
| b5 | b5 | b | b6 | b5 | b7 | b8 | b | b2 | b3 | b4 | b5 |
| b6 | b6 | b2 | b7 | b6 | b8 | b | b2 | b3 | b4 | b5 | b6 |
| b7 | b7 | b3 | b8 | b7 | b | b2 | b3 | b4 | b5 | b6 | b7 |
| b8 | b8 | b4 | b | b8 | b2 | b3 | b4 | b5 | b6 | b7 | b8 |
| Σ | # | Presentation | Description | Related |
|---|---|---|---|---|
| 9 | 1472 | ⟨a, b | aaa=bb, abbb=1⟩ | Isomorphic to ℤ11 | 259 iso |
| 10 | 4155 | ⟨a, b | abb=aaa, bba=b⟩ | Finite non-commutative monoid with 11 elements | 4 iso |
| 10 | 5086 | ⟨a, b | aaa=bb, abbb=a⟩ | Finite commutative monoid with 11 elements | 11 iso |
| 10 | 5087 | ⟨a, b | aaa=bb, abbb=b⟩ | Finite commutative monoid with 11 elements | 3 iso |
| 10 | 5111 | ⟨a, b | aab=aa, baaa=b⟩ | Finite non-commutative monoid with 11 elements | 7 iso |
| 10 | 5322 | ⟨a, b | aaa=ab, abb=bb⟩ | Finite non-commutative monoid with 11 elements | 3 iso |
| 10 | 5335 | ⟨a, b | aaa=ab, bbb=aa⟩ | Finite non-commutative monoid with 11 elements | 2 iso, 1 anti-iso |
| 10 | 5410 | ⟨a, b | aab=bb, bab=aa⟩ | Finite non-commutative monoid with 11 elements | 2 iso |
| 10 | 6292 | ⟨a, b | aaa=b, aabbb=a⟩ | Isomorphic to ℕ(11 = 1) | 35 iso |
| 10 | 6293 | ⟨a, b | aaa=b, aabbb=b⟩ | Isomorphic to ℕ(11 = 3) | 11 iso |
| 10 | 6380 | ⟨a, b | aab=a, bbbbb=a⟩ | Isomorphic to ℕ(11 = 5) | 1 iso |
| 10 | 6834 | ⟨a, b | aba=b, abb=aaa⟩ | Finite non-commutative monoid with 11 elements | |
| 10 | 7114 | ⟨a, b | ab=aa, bbbb=aa⟩ | Finite non-commutative monoid with 11 elements | 1 iso |
| 10 | 7116 | ⟨a, b | ab=aa, bbbb=ba⟩ | Finite non-commutative monoid with 11 elements | |
| 10 | 8691 | ⟨a, b | aa=b, abbbbb=b⟩ | Isomorphic to ℕ(11 = 2) | 32 iso |
| 10 | 8777 | ⟨a, b | ab=a, baaaaa=b⟩ | Finite non-commutative monoid with 11 elements | 20 iso, 5 anti-iso |
| 10 | 9083 | ⟨a, b | ab=a, bbaaa=bb⟩ | Finite non-commutative monoid with 11 elements | 4 iso |
| 11 | 12179 | ⟨a, b | aaaa=ab, abbb=b⟩ | Isomorphic to ℕ(11 = 4) | 20 iso |
| 11 | 15607 | ⟨a, b | aab=aa, bbbbb=a⟩ | Isomorphic to ℕ(11 = 10) | 1 iso |
| 11 | 15671 | ⟨a, b | aab=ab, bbbbb=a⟩ | Isomorphic to ℕ(11 = 6) | 8 iso |
| 11 | 16148 | ⟨a, b | aab=ab, aaaa=bb⟩ | Finite non-commutative monoid with 11 elements | 1 iso |
| 11 | 16212 | ⟨a, b | aab=ba, aaaa=bb⟩ | Finite non-commutative monoid with 11 elements | |
| 11 | 18715 | ⟨a, b | aaa=a, aabbba=b⟩ | Finite non-commutative monoid with 11 elements | |
| 11 | 19070 | ⟨a, b | aab=b, bbabbb=a⟩ | Finite commutative monoid with 11 elements | 4 iso |
| 11 | 20096 | ⟨a, b | aab=b, abba=aaa⟩ | Finite non-commutative monoid with 11 elements | 1 iso |
| 11 | 20112 | ⟨a, b | aab=b, baaa=aaa⟩ | Finite non-commutative monoid with 11 elements | |
| 11 | 20885 | ⟨a, b | bb=aa, aaaaa=ab⟩ | Finite non-commutative monoid with 11 elements | 7 iso, 8 anti-iso |
| 11 | 25539 | ⟨a, b | ab=a, baaaa=bbb⟩ | Finite non-commutative monoid with 11 elements | |
| 11 | 25635 | ⟨a, b | ab=a, bbbaa=bbb⟩ | Finite non-commutative monoid with 11 elements |