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A076695 Dimension of S2(G0(p)) where p runs through the odd primes >= 13, G0(N) is the Hecke subgroup of SL2(Z), consisting of 2 X 2 matrices (a,b; c,d) with c == 0 (mod N). 0
0, 1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 4, 5, 6, 5, 6, 7, 7, 7, 8, 8, 9, 8, 9, 10, 11, 11, 11, 12, 12, 12, 13, 14, 14, 15, 14, 16, 15, 16, 16, 17, 18, 19, 18, 19, 20, 19, 21, 21, 22, 22, 22, 22, 23, 23, 24, 25, 26, 25, 26, 27, 27, 29, 28, 29, 30, 30, 30, 31, 32, 32, 32, 33, 33, 35, 34 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

Y. Hellegouarch, "Invitation aux mathematiques de Fermat-Wiles", 2nd edition, DUNOD, p. 284

LINKS

Table of n, a(n) for n=1..77.

FORMULA

Dimension is (p+1)/12 if p==-1 (mod 12); (p-5)/12 if p==5 (mod 12); (p-7)/12 if p==7 (mod 12); (p-13)/12 if p==1 (mod 12)

CROSSREFS

Sequence in context: A008668 A225643 A116563 * A071903 A091372 A185322

Adjacent sequences:  A076692 A076693 A076694 * A076696 A076697 A076698

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Nov 10 2002

STATUS

approved

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Last modified November 21 14:18 EST 2019. Contains 329371 sequences. (Running on oeis4.)