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Recent questions tagged group-theory
0
votes
3
answers
121
ISI2015-MMA-92
Consider the group $G=\begin{Bmatrix} \begin{pmatrix} a & b \\ 0 & a^{-1} \end{pmatrix} : a,b \in \mathbb{R}, \: a>0 \end{Bmatrix}$ ... is of finite order $N$ is a normal subgroup and the quotient group is isomorphic to $\mathbb{R}^+$ (the group of positive reals with multiplication).
Arjun
asked
in
Set Theory & Algebra
Sep 23, 2019
by
Arjun
1.4k
views
isi2015-mma
group-theory
subgroups
normal
non-gate
3
votes
1
answer
122
ISI2015-MMA-93
Let $G$ be a group with identity element $e$. If $x$ and $y$ are elements in $G$ satisfying $x^5y^3=x^8y^5=e$, then which of the following conditions is true? $x=e, \: y=e$ $x\neq e, \: y=e$ $x=e, \: y \neq e$ $x\neq e, \: y \neq e$
Arjun
asked
in
Set Theory & Algebra
Sep 23, 2019
by
Arjun
875
views
isi2015-mma
group-theory
0
votes
1
answer
123
ISI2015-MMA-94
Let $G$ be the group $\{\pm1, \pm i \}$ with multiplication of complex numbers as composition. Let $H$ be the quotient group $\mathbb{Z}/4 \mathbb{Z}$. Then the number of nontrivial group homomorphisms from $H$ to $G$ is $4$ $1$ $2$ $3$
Arjun
asked
in
Set Theory & Algebra
Sep 23, 2019
by
Arjun
794
views
isi2015-mma
group-theory
non-gate
3
votes
3
answers
124
ISI2018-MMA-15
Let $G$ be a finite group of even order. Then which of the following statements is correct? The number of elements of order $2$ in $G$ is even The number of elements of order $2$ in $G$ is odd $G$ has no subgroup of order $2$ None of the above.
akash.dinkar12
asked
in
Set Theory & Algebra
May 11, 2019
by
akash.dinkar12
3.1k
views
isi2018-mma
engineering-mathematics
discrete-mathematics
set-theory&algebra
group-theory
2
votes
3
answers
125
ISI2019-MMA-19
Let $G =\{a_1,a_2, \dots ,a_{12}\}$ be an Abelian group of order $12$ . Then the order of the element $ ( \prod_{i=1}^{12} a_i)$ is $1$ $2$ $6$ $12$
Sayan Bose
asked
in
Set Theory & Algebra
May 7, 2019
by
Sayan Bose
2.1k
views
isi2019-mma
engineering-mathematics
discrete-mathematics
set-theory&algebra
group-theory
37
votes
9
answers
126
GATE CSE 2019 | Question: 10
Let $G$ be an arbitrary group. Consider the following relations on $G$: $R_1: \forall a , b \in G, \: a R_1 b \text{ if and only if } \exists g \in G \text{ such that } a = g^{-1}bg$ ... $R_1$ and $R_2$ $R_1$ only $R_2$ only Neither $R_1$ nor $R_2$
Arjun
asked
in
Set Theory & Algebra
Feb 7, 2019
by
Arjun
17.3k
views
gatecse-2019
engineering-mathematics
discrete-mathematics
set-theory&algebra
group-theory
1-mark
1
vote
1
answer
127
Made Easy Test Series 2019: Set theory & Algebra - Groups
set of all possible diagonal matrix of order n ans given monoid my doubt-why it cannot have inverse??
priyanka manwani
asked
in
Set Theory & Algebra
Jan 24, 2019
by
priyanka manwani
627
views
discrete-mathematics
set-theory&algebra
group-theory
made-easy-test-series
1
vote
1
answer
128
Homomorphic and Isomorphic graph
This a random question came into my mind… Are the below statements true: 1] If a graph is Homomorphic to our graph then it is also Isomorphic to that graph. 2]If a graph is Isomorphic to our graph then it is also Homomorphic graph.
Nandkishor3939
asked
in
Set Theory & Algebra
Jan 21, 2019
by
Nandkishor3939
1.0k
views
graph-isomorphism
graph-theory
group-theory
1
vote
1
answer
129
cyclic group
1-) 1 2-) 2 3-) 3 4-) 4
bts1jimin
asked
in
Mathematical Logic
Jan 21, 2019
by
bts1jimin
455
views
group-theory
cyclic-
2
votes
2
answers
130
group
if (G,*) is a cyclic group of order 97 , then number of generator of G is equal to ___
Rahul_Rathod_
asked
in
Set Theory & Algebra
Jan 16, 2019
by
Rahul_Rathod_
1.5k
views
group-theory
discrete-mathematics
set-theory&algebra
0
votes
0
answers
131
Monoid in Group Theory
Is this monoid: Addition modulo (take mode using m) on the set of Integers (Z m)={0,1,2,3,4,…..m-1} i.e. For all a a (+ modulo using m) e = e (+ modulo using m) a =a here, e is an identity element
Nandkishor3939
asked
in
Set Theory & Algebra
Jan 13, 2019
by
Nandkishor3939
860
views
group-theory
discrete-mathematics
2
votes
2
answers
132
VIRTUAL GATE TEST SERIES
Ajay Maurya 6
asked
in
Set Theory & Algebra
Jan 10, 2019
by
Ajay Maurya 6
1.1k
views
group-theory
4
votes
2
answers
133
#set theory #groups
Consider the set H of all 3 × 3 matrices of the type: $\begin{bmatrix} a&f&e\\ 0&b&d\\ 0&0&c\\ \end{bmatrix}$ where a, b, c, d, e and f are real numbers and $abc ≠ 0$. Under the matrix multiplication operation, the set H is: (a) a group (b) a monoid but not a group (c) a semigroup but not a monoid (d) neither a group nor a semigroup
Kunal Kadian
asked
in
Set Theory & Algebra
Jan 5, 2019
by
Kunal Kadian
575
views
set-theory&algebra
group-theory
matrix
0
votes
0
answers
134
Self Doubt[Group Theory]
Is Every Group of Order $P^{k}$ such that P is prime and K is positive integer ABELIAN
jatin khachane 1
asked
in
Set Theory & Algebra
Dec 26, 2018
by
jatin khachane 1
511
views
discrete-mathematics
group-theory
2
votes
2
answers
135
Zeal Test Series 2019: Set Theory & Algebra - Groups
Prince Sindhiya
asked
in
Set Theory & Algebra
Dec 21, 2018
by
Prince Sindhiya
540
views
discrete-mathematics
set-theory&algebra
group-theory
zeal
zeal2019
1
vote
0
answers
136
Zeal Test Series 2019: Set Theory & Algebra - Sets
Prince Sindhiya
asked
in
Set Theory & Algebra
Dec 21, 2018
by
Prince Sindhiya
497
views
discrete-mathematics
group-theory
zeal
zeal2019
0
votes
0
answers
137
Group Theory
Lets S1 and S2 be two algebric structure : S1 : {0,1,2,3,4,….,m-1},+m-1 S2 : {0,1,2,3,4,….,m-2},+m-1 +m is the addition modulo m. Which of the following are Groups ?
Na462
asked
in
Mathematical Logic
Dec 8, 2018
by
Na462
393
views
group-theory
discrete-mathematics
6
votes
2
answers
138
Group theory
Let (G,*) be a group such that O(G) = 8, where O(G) denotes the order of the group. Which of the following is True ? There exist no element a in G whose order is 6. There exist an element a in G whose order is 4. There exist more then one element in G whose order is 1 None of these
Na462
asked
in
Set Theory & Algebra
Dec 8, 2018
by
Na462
3.1k
views
group-theory
discrete-mathematics
1
vote
1
answer
139
GATE 2014 MA Groups
Balaji Jegan
asked
in
Set Theory & Algebra
Oct 26, 2018
by
Balaji Jegan
283
views
group-theory
0
votes
0
answers
140
GATE 2014 MA Group Theory
Number of non-isomorphic groups of order 10 = ?
Balaji Jegan
asked
in
Set Theory & Algebra
Oct 26, 2018
by
Balaji Jegan
481
views
group-theory
1
vote
1
answer
141
Virtual Gate Test Series: Discrete Mathematics - Set Theory & Algebra - Groups
Prince Sindhiya
asked
in
Set Theory & Algebra
Oct 15, 2018
by
Prince Sindhiya
571
views
discrete-mathematics
set-theory&algebra
group-theory
virtual-gate-test-series
0
votes
1
answer
142
doubt #Abelian group
reference:Rosen i think two more abelian groups are possible . 1 and 3 are given ,2 and 4 also exist .if i m wrong let me know ,thank you.
Prateek Raghuvanshi
asked
in
Set Theory & Algebra
Oct 13, 2018
by
Prateek Raghuvanshi
1.1k
views
group-theory
1
vote
2
answers
143
Cyclic group
The order of cyclic group is equal to order of generating element.... Somebody explain with example plz
akankshadewangan24
asked
in
Mathematical Logic
Oct 10, 2018
by
akankshadewangan24
1.0k
views
group-theory
discrete-mathematics
cyclic-
set-theory&algebra
1
vote
1
answer
144
TestBook:Order of Group
How to solve this type of questions??
Lakshman Bhaiya
asked
in
Set Theory & Algebra
Oct 7, 2018
by
Lakshman Bhaiya
1.5k
views
discrete-mathematics
set-theory&algebra
group-theory
5
votes
1
answer
145
Cyclic Group
Suppose that $G$ is a cyclic group of order $10$ with generator $a\in G$.Order of $a^{8}$ is _______
Lakshman Bhaiya
asked
in
Set Theory & Algebra
Oct 7, 2018
by
Lakshman Bhaiya
2.1k
views
discrete-mathematics
cyclic-
group-theory
2
votes
1
answer
146
Groups
If two elements of a group G satisfies $aba^{-1} = b^{2}$ for $b\neq e$ then which of the following is equal to $b^{32}$ $A) a^{16}ba^{-16}$ $B) a^{5}ba^{-5}$ $C) ab^{16}a^{-1}$ $D)$ Both $(B)$ and $(C)$
Lakshman Bhaiya
asked
in
Set Theory & Algebra
Oct 7, 2018
by
Lakshman Bhaiya
542
views
discrete-mathematics
set-theory&algebra
group-theory
2
votes
2
answers
147
Non isomorphic group of order 10
Number of non isomorphic group of order 10
Sangeethasiva
asked
in
Set Theory & Algebra
Sep 27, 2018
by
Sangeethasiva
2.6k
views
group-theory
group-isomorphism
1
vote
1
answer
148
Number of abelian groups
How many different non-isomorphic Abelian groups of order 16 are there?
Mk Utkarsh
asked
in
Set Theory & Algebra
Sep 22, 2018
by
Mk Utkarsh
1.1k
views
group-theory
1
vote
0
answers
149
Zeal Workbook: Set Theory & Algebra - Groups
$\text{Prove that : the union of any two subgroup of 'G' is not subgroup of 'G'}$ $\text{Prove that : the intersection of any two subgroup of 'G' is also a subgroup of 'G'}$
Prince Sindhiya
asked
in
Set Theory & Algebra
Aug 22, 2018
by
Prince Sindhiya
328
views
discrete-mathematics
set-theory&algebra
group-theory
zeal
zeal-workbook
1
vote
1
answer
150
Isomorphic Groups
Can Please anybody describe the concept of Isomorphic Groups with an example ? Reference to https://gateoverflow.in/1219/gate2007-21
Na462
asked
in
Set Theory & Algebra
May 31, 2018
by
Na462
991
views
group-theory
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