#21086 ⟨a, b | bb=aa, aaaa=aba

Properties

Element profile

Complete 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
  1. a7a5
  2. ba3a5
  3. abaa4
  4. a2bba2
  5. b2a2
# ab:bb=aa,aaaa=aba a/b
aaaaaaa=aaaaa
baaa=aaaaa
aba=aaaa
aab=baa
bb=aa

Cayley table

Idempotents are shown in bold.

1aba2abbaa3ba2baba4a5a6
11aba2abbaa3ba2baba4a5a6
aaa2aba3ba2a4a4a5a6a5a6a5
bbbaa2ba2baba3a5a4a5a6a5a6
a2a2a3ba2a4a5a5a5a6a5a6a5a6
ababa4a3a5a6a4a6a5a6a5a6a5
bababa2baba5a4a6a6a5a6a5a6a5
a3a3a4a5a5a6a6a6a5a6a5a6a5
ba2ba2a5a4a6a5a5a5a6a5a6a5a6
babbaba6a5a5a6a6a6a5a6a5a6a5
a4a4a5a6a6a5a5a5a6a5a6a5a6
a5a5a6a5a5a6a6a6a5a6a5a6a5
a6a6a5a6a6a5a5a5a6a5a6a5a6

Right Cayley graph

Idempotents are shown in bold.

Left Cayley graph

Idempotents are shown in bold.

Others with same cardinality

37 unique, 655 total

Σ#PresentationDescriptionRelated
7124a, b | aab=a, bbb=1⟩Finite non-commutative monoid with 12 elements23 iso, 38 anti-iso
8458a, b | aaaa=1, abbb=1⟩Isomorphic to ℤ12325 iso
8645a, b | ab=aa, bbb=bFinite non-commutative monoid with 12 elements1 anti-iso
91646a, b | aab=bb, aba=aFinite non-commutative monoid with 12 elements2 iso
91963a, b | aba=b, aaabb=1⟩Finite non-Abelian group with 12 elements30 iso
91998a, b | aaa=a, bbbb=aIsomorphic to ℕ(12 = 4)6 iso
92018a, b | aaa=b, bbbb=aIsomorphic to ℕ(12 = 1)27 iso
92019a, b | aaa=b, bbbb=bIsomorphic to ℕ(12 = 3)23 iso
92259a, b | ab=aa, bbb=bbFinite non-commutative monoid with 12 elements
105040a, b | aaa=aa, bbbb=aIsomorphic to ℕ(12 = 8)
105072a, b | aaa=ab, bbbb=aIsomorphic to ℕ(12 = 5)7 iso
105092a, b | aaa=bb, bbbb=aIsomorphic to ℕ(12 = 2)43 iso
105202a, b | aab=bb, abba=aFinite non-commutative monoid with 12 elements9 iso, 32 anti-iso
105330a, b | aaa=ab, bab=bbFinite non-commutative monoid with 12 elements1 iso
106597a, b | aaa=b, bbbb=bbIsomorphic to ℕ(12 = 6)4 iso
106660a, b | aab=a, bbbb=baFinite non-commutative monoid with 12 elements1 anti-iso
106661a, b | aab=a, bbbb=bbFinite non-commutative monoid with 12 elements1 anti-iso
107105a, b | ab=aa, bbaa=bbFinite non-commutative monoid with 12 elements2 iso
1112897a, b | aab=aaa, baaa=bFinite non-commutative monoid with 12 elements5 iso
1112910a, b | aab=aaa, bbbb=aIsomorphic to ℕ(12 = 9)2 iso
1115428a, b | aaa=aa, abbbb=bFinite non-commutative monoid with 12 elements
1115996a, b | aaa=ab, aabb=bbFinite non-commutative monoid with 12 elements2 iso
1116057a, b | aaa=bb, aabb=abFinite non-commutative monoid with 12 elements2 iso, 2 anti-iso
1116104a, b | aab=aa, abab=bbFinite non-commutative monoid with 12 elements
1116274a, b | aab=bb, aaaa=abFinite non-commutative monoid with 12 elements1 iso
1116275a, b | aab=bb, aaaa=baFinite non-commutative monoid with 12 elements
1116448a, b | aba=bb, aabb=aaFinite non-commutative monoid with 12 elements2 iso
1119773a, b | aba=b, bbbbb=aaFinite commutative monoid with 12 elements
1119917a, b | aaa=b, bbbb=abbIsomorphic to ℕ(12 = 7)2 iso
1120054a, b | aab=b, aaaa=bbaFinite non-commutative monoid with 12 elements
1120686a, b | bb=aa, aaaaab=aFinite commutative monoid with 12 elements15 iso
1120787a, b | ab=aa, baaaa=bbFinite non-commutative monoid with 12 elements7 iso
1121092a, b | bb=aa, aaab=abaFinite non-commutative monoid with 12 elements3 iso
1121112a, b | bb=aa, abab=abaFinite non-commutative monoid with 12 elements
1124147a, b | aa=a, abbbbbb=bFinite non-commutative monoid with 12 elements
1124991a, b | ab=a, baaaaa=bbFinite non-commutative monoid with 12 elements
1125603a, b | ab=a, bbaaa=bbbFinite non-commutative monoid with 12 elements

Other isomorphic instances

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

4 total

Σ#PresentationMapping
1121088a, b | bb=aa, aaaa=babφ(a) = b, φ(b) = a
1121108a, b | bb=aa, aabb=abaφ(a) = a, φ(b) = b
1121116a, b | bb=aa, abba=abaφ(a) = a, φ(b) = b
1121118a, b | bb=aa, abba=babφ(a) = b, φ(b) = a