>
Exams
>
Linear Algebra
>
Groups
>
let be the permutation in the symmetric group s5 g
Question:
Let σ be the permutation in the symmetric group S
5
given by
σ(1) = 2, σ(2) = 3, σ(3) = 1, σ(4) = 5, σ(5) = 4.
Define
N(σ) = {𝜏 ∈ S
5
∶ σ ∘ 𝜏 = 𝜏 ∘ σ}.
Then the number of elements in N(σ) is equal to _________.
IIT JAM MA - 2022
IIT JAM MA
Updated On:
Oct 1, 2024
Hide Solution
Verified By Collegedunia
Correct Answer:
6
Solution and Explanation
The correct answer is : 6.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Groups
Which of the following statements is/are TRUE ?
IIT JAM MA - 2024
Linear Algebra
Groups
View Solution
The center Z(G) of a group G is defined as
z(G) = {x ∈ G ∶ xg = gx for all g ∈ G}.
Let |G| denote the order of G. Then, which of the following statements is/are TRUE for any group G ?
IIT JAM MA - 2024
Linear Algebra
Groups
View Solution
Consider
\(𝐺 = \left\{𝑚 + 𝑛\sqrt2\ ∶\ 𝑚, 𝑛 ∈ \Z\right\}\)
as a subgroup of the additive group ℝ.
Which of the following statements is/are TRUE ?
IIT JAM MA - 2024
Linear Algebra
Groups
View Solution
Let G be a group of order 39 such that it has exactly one subgroup of order 3 and exactly one subgroup of order 13. Then, which one of the following statements is TRUE ?
IIT JAM MA - 2023
Linear Algebra
Groups
View Solution
Let A ⊆
\(\Z\)
with 0 ∈ A. For r, s ∈
\(\Z\)
, define
rA = {ra : a ∈ A}, rA + sA = {ra + sb : a, b ∈ A}.
Which of the following conditions imply that A is a subgroup of the additive group
\(\Z\)
?
IIT JAM MA - 2023
Linear Algebra
Groups
View Solution
View More Questions
Questions Asked in IIT JAM MA exam
Let y : ℝ → ℝ be the solution to the differential equation
\(\frac{d^2y}{dx^2}+2\frac{dy}{dx}+5y=1\)
satisfying y(0) = 0 and y'(0) = 1.
Then,
\(\lim\limits_{x \rightarrow \infin}y(x)\)
equals __________ (rounded off to two decimal places).
IIT JAM MA - 2024
Differential Equations
View Solution
Consider the function f: ℝ → ℝ given by f(x) = x
3
- 4x
2
+ 4x - 6.
For c ∈ ℝ, let
\(S(c)=\left\{x \in \R : f(x)=c\right\}\)
and |S(c)| denote the number of elements in S(c). Then, the value of
|S(-7)| + |S(-5)| + |S(3)|
equals _________
IIT JAM MA - 2024
Functions of One Real Variable
View Solution
For a > b > 0, consider
\(D=\left\{(x,y,z) \in \R^3 :x^2+y^2+z^2 \le a^2\ \text{and } x^2+y^2 \ge b^2\right\}.\)
Then, the surface area of the boundary of the solid D is
IIT JAM MA - 2024
Functions of Two or Three Real Variables
View Solution
Let P
7
(x) be the real vector space of polynomials, in the variable x with real coefficients and having degree at most 7, together with the zero polynomial.Let T : P
7
(x) → P
7
(𝑥) be the linear transformation defined by
\(T(f(x))=f(x)+\frac{df(x)}{dx}\)
.
Then, which one of the following is TRUE ?
IIT JAM MA - 2024
Finite Dimensional Vector Spaces
View Solution
For a positive integer \( n \), let \( U(n) = \{ r \in \mathbb{Z}_n : \gcd(r, n) = 1 \} \) be the group under multiplication modulo \( n \). Then, which one of the following statements is TRUE?
IIT JAM MA - 2024
Functions of One Real Variable
View Solution
View More Questions