Oh, that’s a typo! I have it in my list but hadn’t typed it yet, sorry.

For , needs to be a prime *number*. Also, for , needs to be a *non-trivial* prime power, i.e., .

I guess I mean to ask would say n = 9 count as a prime power for ?

]]>I’m having trouble interpreting the l-function defined on p. 275 in reference to exercise 8.2.5 in our text. I’m not sure the difference between l(n) and the von Mangoldt Function. I mean I can read the difference: in , n = p is a prime power; and in von Mangoldt, it’s is a prime power. I’m just not sure how to interpret the difference.

Thanks for any help.

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