Back

a, b | ab=a, aaaa=bb

Monoid presentation of length 9

Properties

Completion parameters

Complete rewriting system

  1. a5a
  2. baa
  3. aba
  4. b2a4

Idempotents

2 elements

Cayley table

Idempotents are shown in bold.

1aba2a3a4
11aba2a3a4
aaa2aa3a4a
bbaa4a2a3a4
a2a2a3a2a4aa2
a3a3a4a3aa2a3
a4a4aa4a2a3a4

Right Cayley graph

Idempotents are shown in bold.

Others with same cardinality

25 unique, 1911 total

Length:Presentation:Description:Related:
6 a, b | ab=aa, bb=1 Finite non-commutative monoid with 6 elements 22 isomorphic
6 a, b | aaa=1, abb=1 Isomorphic to ℤ6 1373 isomorphic
6 a, b | aa=1, abb=b Finite non-commutative monoid with 6 elements 30 isomorphic
7 a, b | ab=aa, bb=b Finite non-commutative monoid with 6 elements
7 a, b | aa=a, bbb=a Finite commutative monoid with 6 elements 49 isomorphic
7 a, b | aa=b, bbb=a Finite commutative monoid with 6 elements 61 isomorphic
7 a, b | aa=b, bbb=b Finite commutative monoid with 6 elements 55 isomorphic
7 a, b | aa=1, abab=b Finite non-commutative monoid with 6 elements 31 isomorphic, 22 anti-isomorphic
8 a, b | ab=aa, baa=b Finite non-commutative monoid with 6 elements 4 isomorphic
8 a, b | ab=aa, bbb=a Finite commutative monoid with 6 elements 46 isomorphic
8 a, b | aa=a, abbb=b Finite non-commutative monoid with 6 elements 19 isomorphic
8 a, b | aa=a, aab=bb Finite non-commutative monoid with 6 elements 3 isomorphic
8 a, b | ab=a, baa=bb Finite non-commutative monoid with 6 elements 12 isomorphic, 1 anti-isomorphic
9 a, b | abba=b, baba=1 Finite non-Abelian group with 6 elements 66 isomorphic
9 a, b | aaa=aa, abb=b Finite non-commutative monoid with 6 elements 5 isomorphic
9 a, b | aab=bb, abb=a Finite commutative monoid with 6 elements 13 isomorphic
9 a, b | aba=aa, baa=b Finite non-commutative monoid with 6 elements
9 a, b | abb=aa, bbb=a Finite commutative monoid with 6 elements 49 isomorphic
9 a, b | ab=a, bbbb=aa Finite commutative monoid with 6 elements 5 isomorphic
9 a, b | ab=a, bbbb=ba Finite non-commutative monoid with 6 elements 2 isomorphic
9 a, b | ab=a, bbb=aaa Finite commutative monoid with 6 elements 9 isomorphic
9 a, b | ab=a, bbb=bba Finite non-commutative monoid with 6 elements 3 isomorphic
10 a, b | aba=aa, aabb=b Finite non-commutative monoid with 6 elements 5 isomorphic
10 a, b | aab=b, aaba=aa Finite non-commutative monoid with 6 elements 1 isomorphic
11 a, b | aa=a, abbbbba=b Finite commutative monoid with 6 elements

Other isomorphic instances

14 total

Length:Presentation:
10a, b | ab=a, aaaab=bb
10a, b | ab=a, aaaba=bb
10a, b | ab=a, aabaa=bb
10a, b | ab=a, abaaa=bb
11a, b | ab=a, aaaabb=bb
11a, b | ab=a, aaabab=bb
11a, b | ab=a, aaabba=bb
11a, b | ab=a, aabaab=bb
11a, b | ab=a, aababa=bb
11a, b | ab=a, aabbaa=bb
11a, b | ab=a, abaaab=bb
11a, b | ab=a, abaaba=bb
11a, b | ab=a, ababaa=bb
11a, b | ab=a, abbaaa=bb