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15
Math.TechQA.Club
2019-01-21 13:33:20
1k
Views
Alternative proof that $U(n^2-1)$ is not cyclic for $n>2$.
Published on
21 Jan 2019 - 13:33
#group-theory
#modular-arithmetic
#alternative-proof
#cyclic-groups
905
Views
Commutator subgroup of cyclic group
Published on
26 Mar 2026 - 12:15
#abstract-algebra
#abelian-groups
#cyclic-groups
398
Views
cyclic extension of prime power of a local field
Published on
25 Mar 2026 - 6:06
#galois-theory
#cyclic-groups
#class-field-theory
#local-field
#galois-extensions
46
Views
How many solutions does $x$ have in $x^3 = \sigma^6$ in $S_{7}$
Published on
25 Mar 2026 - 11:06
#permutations
#cyclic-groups
#permutation-cycles
531
Views
Smallest subgroup generated by a subset of a group.
Published on
30 Jan 2019 - 2:21
#abstract-algebra
#group-theory
#finite-groups
#examples-counterexamples
#cyclic-groups
613
Views
$\mathbb{Z}^*_p$ is a group under multiplication
Published on
30 Jan 2019 - 15:31
#abstract-algebra
#group-theory
#proof-verification
#cyclic-groups
111
Views
Homomorphism $f: \mathbb{Z}_{12} \longrightarrow \mathbb{Z}_{30}$
Published on
26 Mar 2026 - 12:58
#abstract-algebra
#group-theory
#proof-verification
#cyclic-groups
#group-homomorphism
108
Views
Identification of groups given by a description
Published on
25 Mar 2026 - 7:41
#abstract-algebra
#group-theory
#finite-groups
#cyclic-groups
#semidirect-product
455
Views
Remembering how to find the elements of a certain order in a group
Published on
01 Feb 2019 - 3:46
#modular-arithmetic
#cyclic-groups
427
Views
Understanding the group product of $\mathbb{Z_n}$ and $\mathbb{Z_m}$, $G=\mathbb{Z_m} \mathbb{Z_n}$
Published on
01 Feb 2019 - 18:04
#group-theory
#number-theory
#finite-groups
#cyclic-groups
521
Views
Abelian Group In The Middle Of A Short Exact Sequence
Published on
25 Mar 2026 - 20:52
#group-theory
#abelian-groups
#cyclic-groups
#exact-sequence
87
Views
Derived subgroup of $\langle{x,y\,|\, x^p=y^{p^{n-1}}=1,\,{{x^{-1}}{yx}}={y^{1+p^{n-2}}}}\rangle$.
Published on
25 Mar 2026 - 6:06
#group-theory
#cyclic-groups
#group-presentation
#combinatorial-group-theory
160
Views
Group Representations of $C_5$
Published on
07 Feb 2019 - 11:54
#matrices
#group-theory
#representation-theory
#cyclic-groups
64
Views
Determine if exists a subgroup of order $3$ of $H=\langle\sigma^{8440}\rangle$
Published on
25 Mar 2026 - 11:06
#group-theory
#discrete-mathematics
#cyclic-groups
#permutation-cycles
898
Views
is there any example of a group of order 4 which is not cyclic.
Published on
09 Feb 2019 - 7:03
#abstract-algebra
#group-theory
#cyclic-groups
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