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# ab:aab=bb,aaaa=b a/b aaaaaaaa=aaaaaa b=aaaa
| 1 | a | a2 | a3 | a4 | a5 | a6 | a7 | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | a | a2 | a3 | a4 | a5 | a6 | a7 |
| a | a | a2 | a3 | a4 | a5 | a6 | a7 | a6 |
| a2 | a2 | a3 | a4 | a5 | a6 | a7 | a6 | a7 |
| a3 | a3 | a4 | a5 | a6 | a7 | a6 | a7 | a6 |
| a4 | a4 | a5 | a6 | a7 | a6 | a7 | a6 | a7 |
| a5 | a5 | a6 | a7 | a6 | a7 | a6 | a7 | a6 |
| a6 | a6 | a7 | a6 | a7 | a6 | a7 | a6 | a7 |
| a7 | a7 | a6 | a7 | a6 | a7 | a6 | a7 | a6 |
| Σ | # | Presentation | Description | Related |
|---|---|---|---|---|
| 7 | 188 | ⟨a, b | aab=1, bbbb=1⟩ | Isomorphic to ℤ8 | 727 iso |
| 7 | 330 | ⟨a, b | aa=1, abba=b⟩ | Finite non-commutative monoid with 8 elements | 60 iso |
| 8 | 556 | ⟨a, b | aba=b, aabb=1⟩ | Finite non-Abelian group with 8 elements | 28 iso |
| 8 | 898 | ⟨a, b | aa=a, bbbb=a⟩ | Isomorphic to ℕ(8 = 4) | 48 iso |
| 8 | 918 | ⟨a, b | aa=b, bbbb=a⟩ | Isomorphic to ℕ(8 = 1) | 34 iso |
| 8 | 919 | ⟨a, b | aa=b, bbbb=b⟩ | Isomorphic to ℕ(8 = 2) | 46 iso |
| 8 | 961 | ⟨a, b | aa=a, aba=bb⟩ | Finite non-commutative monoid with 8 elements | 5 iso |
| 9 | 1605 | ⟨a, b | aaa=bb, abb=b⟩ | Isomorphic to ℕ(8 = 3) | 55 iso |
| 9 | 1606 | ⟨a, b | aaa=bb, bab=a⟩ | Finite commutative monoid with 8 elements | 14 iso |
| 9 | 1615 | ⟨a, b | aab=aa, baa=b⟩ | Finite non-commutative monoid with 8 elements | 9 iso, 5 anti-iso |
| 9 | 1650 | ⟨a, b | aab=bb, baa=a⟩ | Finite non-commutative monoid with 8 elements | 4 iso, 11 anti-iso |
| 9 | 2206 | ⟨a, b | ab=aa, bbbb=a⟩ | Isomorphic to ℕ(8 = 5) | 32 iso |
| 9 | 2220 | ⟨a, b | bb=aa, aaab=a⟩ | Finite commutative monoid with 8 elements | 22 iso |
| 9 | 2247 | ⟨a, b | ab=aa, baa=bb⟩ | Finite non-commutative monoid with 8 elements | 1 iso |
| 9 | 2256 | ⟨a, b | ab=aa, bbb=aa⟩ | Finite non-commutative monoid with 8 elements | 1 iso |
| 9 | 2258 | ⟨a, b | ab=aa, bbb=ba⟩ | Finite non-commutative monoid with 8 elements | |
| 9 | 2883 | ⟨a, b | aa=a, abbbb=b⟩ | Finite non-commutative monoid with 8 elements | 14 iso |
| 9 | 3107 | ⟨a, b | ab=a, baaa=bb⟩ | Finite non-commutative monoid with 8 elements | 9 iso |
| 9 | 3123 | ⟨a, b | ab=a, bbaa=bb⟩ | Finite non-commutative monoid with 8 elements | 10 iso |
| 10 | 6664 | ⟨a, b | aab=b, aaaa=ba⟩ | Finite non-commutative monoid with 8 elements | 1 iso |
| 10 | 7057 | ⟨a, b | ab=aa, aaaa=bb⟩ | Finite non-commutative monoid with 8 elements | 7 iso |
| 10 | 9380 | ⟨a, b | ab=a, bbbb=baa⟩ | Finite non-commutative monoid with 8 elements | 2 iso |
| 11 | 12606 | ⟨a, b | abbb=aa, bbbb=a⟩ | Isomorphic to ℕ(8 = 7) | 14 iso |
| 11 | 20047 | ⟨a, b | aab=a, bbbb=bbb⟩ | Finite non-commutative monoid with 8 elements | |
| 11 | 20051 | ⟨a, b | aab=b, aaaa=abb⟩ | Finite commutative monoid with 8 elements | 1 iso |
| 11 | 24863 | ⟨a, b | ab=a, aaaaaa=bb⟩ | Finite commutative monoid with 8 elements | |
| 11 | 25112 | ⟨a, b | ab=a, bbbbbb=aa⟩ | Finite commutative monoid with 8 elements | |
| 11 | 25114 | ⟨a, b | ab=a, bbbbbb=ba⟩ | Finite non-commutative monoid with 8 elements | |
| 11 | 25411 | ⟨a, b | ab=a, aaaaa=bbb⟩ | Finite commutative monoid with 8 elements | |
| 11 | 25652 | ⟨a, b | ab=a, bbbbb=aaa⟩ | Finite commutative monoid with 8 elements | |
| 11 | 25658 | ⟨a, b | ab=a, bbbbb=bba⟩ | Finite non-commutative monoid with 8 elements | |
| 11 | 25897 | ⟨a, b | ab=a, bbbb=aaaa⟩ | Finite commutative monoid with 8 elements | |
| 11 | 25911 | ⟨a, b | ab=a, bbbb=bbba⟩ | Finite non-commutative monoid with 8 elements |
18 total
| Σ | # | Presentation | Mapping |
|---|---|---|---|
| 10 | 5275 | ⟨a, b | aba=bb, aaaa=b⟩ | φ(a) = a, φ(b) = aaaa |
| 10 | 6576 | ⟨a, b | aaa=b, aabb=bb⟩ | φ(a) = a, φ(b) = aaa |
| 10 | 6580 | ⟨a, b | aaa=b, abab=bb⟩ | φ(a) = a, φ(b) = aaa |
| 10 | 6583 | ⟨a, b | aaa=b, abba=bb⟩ | φ(a) = a, φ(b) = aaa |
| 10 | 6590 | ⟨a, b | aaa=b, baab=bb⟩ | φ(a) = a, φ(b) = aaa |
| 10 | 9255 | ⟨a, b | aa=b, bbbb=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 18961 | ⟨a, b | aab=b, aaaaaa=b⟩ | φ(a) = a, φ(b) = aaaaaa |
| 11 | 19161 | ⟨a, b | aba=b, aaaaaa=b⟩ | φ(a) = a, φ(b) = aaaaaa |
| 11 | 25319 | ⟨a, b | aa=b, aabbb=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25341 | ⟨a, b | aa=b, ababb=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25349 | ⟨a, b | aa=b, abbab=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25355 | ⟨a, b | aa=b, abbba=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25377 | ⟨a, b | aa=b, baabb=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25383 | ⟨a, b | aa=b, babab=bbb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25786 | ⟨a, b | aa=b, bbbb=aabb⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25787 | ⟨a, b | aa=b, bbbb=abab⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25788 | ⟨a, b | aa=b, bbbb=abba⟩ | φ(a) = a, φ(b) = aa |
| 11 | 25790 | ⟨a, b | aa=b, bbbb=baab⟩ | φ(a) = a, φ(b) = aa |