| Up: | Monoids with two generators and two relations |
|---|---|
| Prev: | #2204 ⟨a, b | ab=aa, bbba=a⟩ |
| Next: | #2207 ⟨a, b | ab=aa, bbbb=b⟩ |
# ab:ab=aa,bbbb=a b/a bbbbbbbb=bbbbb a=bbbb
| 1 | b | b2 | b3 | b4 | b5 | b6 | b7 | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | b | b2 | b3 | b4 | b5 | b6 | b7 |
| b | b | b2 | b3 | b4 | b5 | b6 | b7 | b5 |
| b2 | b2 | b3 | b4 | b5 | b6 | b7 | b5 | b6 |
| b3 | b3 | b4 | b5 | b6 | b7 | b5 | b6 | b7 |
| b4 | b4 | b5 | b6 | b7 | b5 | b6 | b7 | b5 |
| b5 | b5 | b6 | b7 | b5 | b6 | b7 | b5 | b6 |
| b6 | b6 | b7 | b5 | b6 | b7 | b5 | b6 | b7 |
| b7 | b7 | b5 | b6 | b7 | b5 | b6 | b7 | b5 |
| 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 | 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 | 5191 | ⟨a, b | aab=bb, aaaa=b⟩ | Isomorphic to ℕ(8 = 6) | 18 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 |
32 total
| Σ | # | Presentation | Mapping |
|---|---|---|---|
| 10 | 9253 | ⟨a, b | aa=b, bbbb=abb⟩ | φ(a) = b, φ(b) = bb |
| 10 | 9254 | ⟨a, b | aa=b, bbbb=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 14474 | ⟨a, b | aaab=b, aaaaa=b⟩ | φ(a) = b, φ(b) = bbbbb |
| 11 | 14602 | ⟨a, b | aaba=b, aaaaa=b⟩ | φ(a) = b, φ(b) = bbbbb |
| 11 | 19871 | ⟨a, b | aaa=b, aabb=aab⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19872 | ⟨a, b | aaa=b, aabb=aba⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19874 | ⟨a, b | aaa=b, aabb=baa⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19879 | ⟨a, b | aaa=b, abab=aab⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19880 | ⟨a, b | aaa=b, abab=aba⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19882 | ⟨a, b | aaa=b, abab=baa⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19887 | ⟨a, b | aaa=b, abba=aab⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19888 | ⟨a, b | aaa=b, abba=aba⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19901 | ⟨a, b | aaa=b, baab=aab⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 19902 | ⟨a, b | aaa=b, baab=aba⟩ | φ(a) = b, φ(b) = bbb |
| 11 | 25315 | ⟨a, b | aa=b, aabbb=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25317 | ⟨a, b | aa=b, aabbb=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25318 | ⟨a, b | aa=b, aabbb=bba⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25337 | ⟨a, b | aa=b, ababb=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25339 | ⟨a, b | aa=b, ababb=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25340 | ⟨a, b | aa=b, ababb=bba⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25345 | ⟨a, b | aa=b, abbab=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25347 | ⟨a, b | aa=b, abbab=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25348 | ⟨a, b | aa=b, abbab=bba⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25353 | ⟨a, b | aa=b, abbba=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25354 | ⟨a, b | aa=b, abbba=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25373 | ⟨a, b | aa=b, baabb=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25375 | ⟨a, b | aa=b, baabb=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25376 | ⟨a, b | aa=b, baabb=bba⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25381 | ⟨a, b | aa=b, babab=abb⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25382 | ⟨a, b | aa=b, babab=bab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25784 | ⟨a, b | aa=b, bbbb=aaab⟩ | φ(a) = b, φ(b) = bb |
| 11 | 25785 | ⟨a, b | aa=b, bbbb=aaba⟩ | φ(a) = b, φ(b) = bb |