id:A102274 - OEIS Search Results

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Primes p such that Q(sqrt(-21p)) has genus characters chi_{-3} = -1, chi_{-7} = -1.

+0
2

47, 59, 83, 131, 167, 227, 251, 311, 383, 419, 467, 479, 503, 563, 587, 647, 719, 839, 887, 971, 983, 1091, 1151, 1223 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Cohn, H. and Lagarias, J. C., On the existence of fields governing the 2-invariants of the classgroup of Q(sqrt{dp}) as p varies, Math. Comp. 41 (1983), 711-730.`
	CROSSREFS	`Cf. A102269-A102275.` `Sequence in context: A104852 A061758 A046503 this_sequence A139909 A126980 A039355` `Adjacent sequences: A102271 A102272 A102273 this_sequence A102275 A102276 A102277`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com) Feb 19 2005`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.