A086782 - OEIS

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A086782

Sum of the degrees of the irreducible representations of the group GL(3,Z_n).

1, 28, 468, 1876, 12400, 13104, 100548 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..7.`
	FORMULA	`For a prime p : a(p) = phi(p^3)(p^3 - 1) = p^2(p-1)^2*(p^2+p+1)`
	CROSSREFS	`Cf. A086768, A053191.` `Sequence in context: A320820 A160060 A115226 * A115225 A223997 A263949` `Adjacent sequences: A086779 A086780 A086781 * A086783 A086784 A086785`
	KEYWORD	`mult,nonn`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 03 2003`
	STATUS	`approved`

Last modified March 3 04:26 EST 2021. Contains 341756 sequences. (Running on oeis4.)