#752 ⟨a, b | aaa=1, babb=a

Quick links

  1. Properties
  2. Elements
  3. Right Cayley graph
  4. Left Cayley graph
  5. Rewriting system
  6. Same cardinality
  7. Isomorphic instances

Properties

Elements

Elements in the center commute with all other elements.
The order of x is the least n such that xn = 1.

Right Cayley graph

Left Cayley graph

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. b9 ⇒ 1 [11]
2. ba ⇒ ab7 [9]
3. a3 ⇒ 1 [1]
# ab:aaa=1,babb=a b/a
bbbbbbbbb=1
ba=abbbbbbb
aaa=1

Same cardinality

6 unique, 34 total

Σ#PresentationDescriptionRelated
8450a, b | bab=aa, bbb=1⟩Finite non-commutative monoid with 27 elements27 iso
91695a, b | bab=aa, bbb=bFinite non-commutative monoid with 27 elements1 iso
105300a, b | aaa=aa, aba=bbFinite non-commutative monoid with 27 elements
1115514a, b | aaa=bb, aabaa=bFinite non-commutative monoid with 27 elements
1118739a, b | aaa=a, abbbbb=bFinite non-commutative monoid with 27 elements
1120314a, b | aba=b, bbbb=aaaFinite non-commutative monoid with 27 elements

Isomorphic instances

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

59 total

Σ#PresentationMapping
92290a, b | aaa=1, aababb=1⟩φ(a) = a, φ(b) = b
92292a, b | aaa=1, aabbab=1⟩φ(a) = aa, φ(b) = b
92297a, b | aaa=1, abaabb=1⟩φ(a) = aa, φ(b) = b
92299a, b | aaa=1, ababba=1⟩φ(a) = a, φ(b) = b
92301a, b | aaa=1, abbaab=1⟩φ(a) = a, φ(b) = b
92308a, b | aaa=1, baabab=1⟩φ(a) = a, φ(b) = b
107789a, b | aaa=1, ababb=aaφ(a) = a, φ(b) = b
107793a, b | aaa=1, abbab=aaφ(a) = aa, φ(b) = b
107807a, b | aaa=1, baabb=aaφ(a) = aa, φ(b) = b
1113811a, b | aaaa=a, aababb=1⟩φ(a) = a, φ(b) = b
1113813a, b | aaaa=a, aabbab=1⟩φ(a) = aa, φ(b) = b
1113818a, b | aaaa=a, abaabb=1⟩φ(a) = aa, φ(b) = b
1113820a, b | aaaa=a, ababba=1⟩φ(a) = a, φ(b) = b
1113822a, b | aaaa=a, abbaab=1⟩φ(a) = a, φ(b) = b
1113829a, b | aaaa=a, baabab=1⟩φ(a) = a, φ(b) = b
1113948a, b | aaab=b, aababb=1⟩φ(a) = a, φ(b) = b
1113950a, b | aaab=b, aabbab=1⟩φ(a) = aa, φ(b) = b
1113956a, b | aaab=b, abaabb=1⟩φ(a) = aa, φ(b) = b
1113959a, b | aaab=b, ababba=1⟩φ(a) = a, φ(b) = b
1113962a, b | aaab=b, abbaab=1⟩φ(a) = a, φ(b) = b
1113963a, b | aaab=b, abbaba=1⟩φ(a) = aa, φ(b) = b
1113974a, b | aaab=b, baabab=1⟩φ(a) = a, φ(b) = b
1113975a, b | aaab=b, baabba=1⟩φ(a) = aa, φ(b) = b
1113978a, b | aaab=b, babaab=1⟩φ(a) = aa, φ(b) = b
1113981a, b | aaab=b, babbaa=1⟩φ(a) = a, φ(b) = b
1113987a, b | aaab=b, bbaaba=1⟩φ(a) = a, φ(b) = b
1113989a, b | aaab=b, bbabaa=1⟩φ(a) = aa, φ(b) = b
1114072a, b | aaba=b, aaabbb=1⟩φ(a) = aabb, φ(b) = b
1114076a, b | aaba=b, aababb=1⟩φ(a) = b, φ(b) = aa
1114078a, b | aaba=b, aabbab=1⟩φ(a) = ab, φ(b) = b
1114079a, b | aaba=b, aabbba=1⟩φ(a) = aabb, φ(b) = b
1114084a, b | aaba=b, abaabb=1⟩φ(a) = ab, φ(b) = b
1114086a, b | aaba=b, ababab=1⟩φ(a) = aabb, φ(b) = b
1114087a, b | aaba=b, ababba=1⟩φ(a) = b, φ(b) = aa
1114090a, b | aaba=b, abbaab=1⟩φ(a) = b, φ(b) = aa
1114091a, b | aaba=b, abbaba=1⟩φ(a) = ab, φ(b) = b
1114093a, b | aaba=b, abbbaa=1⟩φ(a) = aabb, φ(b) = b
1114100a, b | aaba=b, baaabb=1⟩φ(a) = aabb, φ(b) = b
1114102a, b | aaba=b, baabab=1⟩φ(a) = b, φ(b) = aa
1114103a, b | aaba=b, baabba=1⟩φ(a) = ab, φ(b) = b
1114106a, b | aaba=b, babaab=1⟩φ(a) = ab, φ(b) = b
1114107a, b | aaba=b, bababa=1⟩φ(a) = aabb, φ(b) = b
1114109a, b | aaba=b, babbaa=1⟩φ(a) = b, φ(b) = aa
1114114a, b | aaba=b, bbaaab=1⟩φ(a) = aabb, φ(b) = b
1114115a, b | aaba=b, bbaaba=1⟩φ(a) = b, φ(b) = aa
1114117a, b | aaba=b, bbabaa=1⟩φ(a) = ab, φ(b) = b
1114121a, b | aaba=b, bbbaaa=1⟩φ(a) = aabb, φ(b) = b
1121670a, b | aaa=1, aaababb=aφ(a) = a, φ(b) = b
1121674a, b | aaa=1, aaabbab=aφ(a) = aa, φ(b) = b
1121684a, b | aaa=1, aabaabb=aφ(a) = aa, φ(b) = b
1121690a, b | aaa=1, aababba=aφ(a) = a, φ(b) = b
1121694a, b | aaa=1, aabbaab=aφ(a) = a, φ(b) = b
1121696a, b | aaa=1, aabbaba=aφ(a) = aa, φ(b) = b
1121714a, b | aaa=1, abaabab=aφ(a) = a, φ(b) = b
1121716a, b | aaa=1, abaabba=aφ(a) = aa, φ(b) = b
1121720a, b | aaa=1, ababaab=aφ(a) = aa, φ(b) = b
1121754a, b | aaa=1, baaaabb=aφ(a) = a, φ(b) = b
1121756a, b | aaa=1, baaabab=aφ(a) = aa, φ(b) = b
1123304a, b | aaa=1, babb=aaaaφ(a) = a, φ(b) = b