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In the following post by DavidLHarden : See Here

He quoted the following claim: "There is a theorem that says that if $p$ is a prime and $|G|=p^n $ , then $|AutG| $ divides $ \Pi_{k=0}^{n-1} (p^{n}-p^{k}) $ " .

I can't find any reference for this theorem ,

Does someone know of any reference for this fact?

Thanks in advance

In the following post by DavidLHarden : See Here

He quoted the following claim: "There is a theorem that says that if $p$ is a prime and $|G|=p^n $ , then $|AutG| $ divides $ \Pi_{k=0}^{n-1} (p^{n}-p^{k}) $ " .

I can't find any reference for this theorem ,

Does someone know of any reference for this fact?

Thanks in advance

In the following post by DavidLHarden : See Here

He quoted the following claim: "There is a theorem that says that if $p$ is a prime and $|G|=p^n $ , then $|AutG| $ divides $ \Pi_{k=0}^{n-1} (p^{n}-p^{k}) $ " .

I can't find any reference for this theorem , and although Jr. Hall gives something similar as theorem 12.2, it still isn't in this form.

Does someone know of any reference for this fact?

Thanks in advance

In the following post by DavidLHarden : See Here

He quoted the following claim: "There is a theorem that says that if $p$ is a prime and $|G|=p^n $ , then $|AutG| $ divides $ \Pi_{k=0}^{n-1} (p^{n}-p^{k}) $ " .

I can't find any reference for this theorem ,

Does someone know of any reference for this fact?

Thanks in advance