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1d
asked What is the relation between $\mathcal{G}_{12}, \mathcal{G}_{23}, \mathcal{G}_{13}$?
1d
comment On the number of group homomorphisms from $S_n$ to $S_m$
Thank you so much. I understood. Between, it was asked ''describe all group homomorphism.." doesn't it mean as a consequence we are counting all of them ? Moreover, since $n\neq 6$ why it is inner automorphism ?
2d
comment On the number of group homomorphisms from $S_n$ to $S_m$
ohh thats absolutely true. Wonder how come i missed that information !! thank you so much. Can you help me what are the answers of the rest i asked, please ?
2d
asked How to find the number of solution of $x^n=1$ in the group $S_n$?
2d
comment On the number of group homomorphisms from $S_n$ to $S_m$
I apologise I could not get you.
2d
asked On the number of group homomorphisms from $S_n$ to $S_m$
Aug
13
comment Is $n$ square free if $\sigma(n)=2\varphi(n)$?
Can you please share with me how did these two example come to your mind?
Aug
13
comment Is $n$ square free if $\sigma(n)=2\varphi(n)$?
Thank you so much. That was really a helpful comment indeed. It really gave me a great insight. Thank you once again @Gery Myerson
Aug
13
accepted Is $n$ square free if $\sigma(n)=2\varphi(n)$?
Aug
13
revised Is $n$ square free if $\sigma(n)=2\varphi(n)$?
edited body
Aug
13
comment Is $n$ square free if $\sigma(n)=2\varphi(n)$?
what about now ? Any thing else is required to specify ? please let me know
Aug
13
revised Is $n$ square free if $\sigma(n)=2\varphi(n)$?
added 2 characters in body
Aug
13
comment Is $n$ square free if $\sigma(n)=2\varphi(n)$?
Edited just now.
Aug
13
revised Is $n$ square free if $\sigma(n)=2\varphi(n)$?
added 226 characters in body
Aug
13
asked Is $n$ square free if $\sigma(n)=2\varphi(n)$?
Aug
12
asked Solution of $\sigma(p^3q^2)=2\varphi(p^3q^2)$?
Aug
12
accepted If $\varphi(mn)=\lambda \varphi(m)\varphi(n)$ what should be written for $\lambda$
Aug
12
comment If $\varphi(mn)=\lambda \varphi(m)\varphi(n)$ what should be written for $\lambda$
what about $\sigma(mn), \sigma(m), \sigma(n)$ in general ?
Aug
12
asked If $\varphi(mn)=\lambda \varphi(m)\varphi(n)$ what should be written for $\lambda$
Aug
7
comment Is the following inequality true : $(||f(|A|)||)(||g(|A^*|)||) \geq ||A||$?
please help me to solve it. i really have no idea how to approach it