#4162 ⟨a, b | abb=aab, bbb=a

Quick links

  1. Properties
  2. Elements
  3. Staircase diagram
  4. Cayley table
  5. Right Cayley graph
  6. Rewriting system
  7. Same cardinality
  8. Isomorphic instances

Properties

Elements

An idempotent element x satisfies x2 = x.
The index and period of x is the least m (index) and n (period) such that x(m+n) = xm.

Staircase diagram

Cayley table

Idempotents are shown in bold.

1bb2b3b4b5b6
11bb2b3b4b5b6
bbb2b3b4b5b6b5
b2b2b3b4b5b6b5b6
b3b3b4b5b6b5b6b5
b4b4b5b6b5b6b5b6
b5b5b6b5b6b5b6b5
b6b6b5b6b5b6b5b6

Right Cayley graph

Idempotents are shown in bold.

Rewriting system

Format:
Word to reduce:
Tips:
  • Lowercase letters stand for generators.
  • Spaces are ignored.
  • Numbers repeat the previous letter, e.g. b90.
Reduction strategy:
Path to normal form: 1
1
#RuleProof
1. b7 ⇒ b5 [4]
2. a ⇒ b3 [2]
# ab:abb=aab,bbb=a b/a
bbbbbbb=bbbbb
a=bbb

Same cardinality

22 unique, 1181 total

Σ#PresentationDescriptionRelated
7116a, b | aaa=b, abb=1⟩Isomorphic to ℤ7763 iso
8577a, b | aaa=b, abb=aIsomorphic to ℕ(7 = 1)59 iso
8578a, b | aaa=b, abb=bIsomorphic to ℕ(7 = 3)44 iso
8913a, b | aa=b, abbb=bIsomorphic to ℕ(7 = 2)82 iso
8937a, b | ab=a, baaa=bFinite non-commutative monoid with 7 elements54 iso, 12 anti-iso
91593a, b | aaa=ab, baa=bFinite non-commutative monoid with 7 elements1 iso, 2 anti-iso
91601a, b | aaa=bb, aab=bFinite commutative monoid with 7 elements5 iso
91620a, b | aab=aa, bbb=aIsomorphic to ℕ(7 = 6)35 iso
91632a, b | aab=ab, bbb=aIsomorphic to ℕ(7 = 4)50 iso
92074a, b | aab=b, babb=aFinite commutative monoid with 7 elements20 iso
92231a, b | ab=aa, aaa=bbFinite non-commutative monoid with 7 elements3 iso
92271a, b | bb=aa, aaa=abFinite non-commutative monoid with 7 elements1 iso, 2 anti-iso
93197a, b | ab=a, bbb=baaFinite non-commutative monoid with 7 elements5 iso
106251a, b | aaa=a, aabba=bFinite non-commutative monoid with 7 elements1 iso
108987a, b | ab=a, aaaaa=bbFinite commutative monoid with 7 elements5 iso
109108a, b | ab=a, bbbbb=aaFinite commutative monoid with 7 elements2 iso
109110a, b | ab=a, bbbbb=baFinite non-commutative monoid with 7 elements1 iso
109263a, b | ab=a, aaaa=bbbFinite commutative monoid with 7 elements4 iso
109375a, b | ab=a, bbba=bbbFinite non-commutative monoid with 7 elements3 iso
109376a, b | ab=a, bbbb=aaaFinite commutative monoid with 7 elements3 iso
109382a, b | ab=a, bbbb=bbaFinite non-commutative monoid with 7 elements1 iso
1114843a, b | abba=b, aabab=aFinite non-commutative monoid with 7 elements1 iso

Isomorphic instances

The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.

42 total

Σ#PresentationMapping
104170a, b | abb=aba, bbb=aφ(a) = bbb, φ(b) = b
104182a, b | baa=abb, bbb=aφ(a) = bbb, φ(b) = b
104188a, b | bab=aab, bbb=aφ(a) = bbb, φ(b) = b
104192a, b | bab=aba, bbb=aφ(a) = bbb, φ(b) = b
106383a, b | aab=b, aaaaa=bφ(a) = b, φ(b) = bbbbb
106487a, b | aba=b, aaaaa=bφ(a) = b, φ(b) = bbbbb
109231a, b | aa=b, abbb=abbφ(a) = b, φ(b) = bb
109233a, b | aa=b, abbb=babφ(a) = b, φ(b) = bb
109234a, b | aa=b, abbb=bbaφ(a) = b, φ(b) = bb
109245a, b | aa=b, babb=abbφ(a) = b, φ(b) = bb
109247a, b | aa=b, babb=babφ(a) = b, φ(b) = bb
109248a, b | aa=b, babb=bbaφ(a) = b, φ(b) = bb
1112608a, b | abbb=ab, bbbb=aφ(a) = bbbb, φ(b) = b
1112610a, b | abbb=ba, bbbb=aφ(a) = bbbb, φ(b) = b
1112634a, b | babb=ab, bbbb=aφ(a) = bbbb, φ(b) = b
1112636a, b | babb=ba, bbbb=aφ(a) = bbbb, φ(b) = b
1119505a, b | aab=b, aaaaa=abφ(a) = b, φ(b) = bbbbbb
1119705a, b | aba=b, aaaaa=abφ(a) = b, φ(b) = bbbbbb
1125285a, b | aa=b, aaabb=abbφ(a) = b, φ(b) = bb
1125287a, b | aa=b, aaabb=babφ(a) = b, φ(b) = bb
1125288a, b | aa=b, aaabb=bbaφ(a) = b, φ(b) = bb
1125299a, b | aa=b, aabab=abbφ(a) = b, φ(b) = bb
1125301a, b | aa=b, aabab=babφ(a) = b, φ(b) = bb
1125302a, b | aa=b, aabab=bbaφ(a) = b, φ(b) = bb
1125307a, b | aa=b, aabba=abbφ(a) = b, φ(b) = bb
1125309a, b | aa=b, aabba=babφ(a) = b, φ(b) = bb
1125310a, b | aa=b, aabba=bbaφ(a) = b, φ(b) = bb
1125323a, b | aa=b, abaab=abbφ(a) = b, φ(b) = bb
1125325a, b | aa=b, abaab=babφ(a) = b, φ(b) = bb
1125326a, b | aa=b, abaab=bbaφ(a) = b, φ(b) = bb
1125331a, b | aa=b, ababa=abbφ(a) = b, φ(b) = bb
1125332a, b | aa=b, ababa=babφ(a) = b, φ(b) = bb
1125367a, b | aa=b, baaab=abbφ(a) = b, φ(b) = bb
1125368a, b | aa=b, baaab=babφ(a) = b, φ(b) = bb
1125746a, b | aa=b, abbb=aaabφ(a) = b, φ(b) = bb
1125747a, b | aa=b, abbb=aabaφ(a) = b, φ(b) = bb
1125749a, b | aa=b, abbb=abaaφ(a) = b, φ(b) = bb
1125755a, b | aa=b, baaa=abbbφ(a) = b, φ(b) = bb
1125767a, b | aa=b, babb=aaabφ(a) = b, φ(b) = bb
1125768a, b | aa=b, babb=aabaφ(a) = b, φ(b) = bb
1125770a, b | aa=b, babb=abaaφ(a) = b, φ(b) = bb
1125774a, b | aa=b, babb=baaaφ(a) = b, φ(b) = bb