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2nd year Math student

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Mahler aficionado


Feb
21
revised American undergraduate applying overseas
added info
Feb
21
asked American undergraduate applying overseas
Feb
21
comment Basic identity of characters
@darijgrinberg I apologize, those identities were proved by Serre earlier in the section, and so I stated them without proof
Feb
20
accepted Character of a permutation representation
Feb
20
accepted Basic identity of characters
Feb
20
revised Character of a permutation representation
deleted 37 characters in body
Feb
20
comment Basic identity of characters
@BenjaLim thanks very much. I now see. Could you post your response as an answer?
Feb
20
asked Character of a permutation representation
Feb
20
revised Basic identity of characters
added 152 characters in body
Feb
20
comment Basic identity of characters
@darijgrinberg where would the trace first be necessary? Am I able to expand the square of the characters from $(\chi + \chi')^2$ to $(\chi^2 + 2\chi \chi' + \chi'^2)$ or is this where I will need the trace?
Feb
20
asked Basic identity of characters
Feb
17
accepted Subgroups of order $p$ and $p^{n-1}$ in a group of order $p^n$.
Feb
17
comment Subgroups of order $p$ and $p^{n-1}$ in a group of order $p^n$.
Looks tractable. Thanks for your help!
Feb
17
comment Subgroups of order $p$ and $p^{n-1}$ in a group of order $p^n$.
Then letting $a \in G$ be an element of order $p$, perhaps I should consider $G/\langle a \rangle$?
Feb
17
asked Subgroups of order $p$ and $p^{n-1}$ in a group of order $p^n$.
Jan
15
comment Questions around the number of subgroups of a $p$-group
Have you seen the class equation? proofwiki.org/wiki/Conjugacy_Class_Equation
Jan
14
accepted Cardano's Formulas help
Jan
14
asked Cardano's Formulas help
Jan
9
accepted Bijection between permissible cycle types and conjugacy classes
Jan
9
comment Bijection between permissible cycle types and conjugacy classes
Now I see. I had understood that part earlier, but failed to see that my emphasized part is just a restatement. Thanks,