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a, b | ab=a, bbbb=aa

Monoid presentation of length 9

Properties

Completion parameters

Complete rewriting system

  1. aba
  2. baa
  3. a3a
  4. b4a2

Idempotents

2 elements

Cayley table

Idempotents are shown in bold.

1aba2b2b3
11aba2b2b3
aaa2aaaa
bbab2a2b3a2
a2a2aa2a2a2a2
b2b2ab3a2a2a2
b3b3aa2a2a2a2

Right Cayley graph

Idempotents are shown in bold.

Others with same cardinality

25 unique, 1920 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, aaaa=bb Finite commutative monoid with 6 elements 14 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

5 total

Length:Presentation:
10a, b | ab=a, bbbb=aab
10a, b | ab=a, bbbb=aba
11a, b | ab=a, bbbb=aabb
11a, b | ab=a, bbbb=abab
11a, b | ab=a, bbbb=abba