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A138077 Index of the largest maximal subgroup of PSL(3,q) as q runs through the prime powers (A000961). 3
7, 13, 21, 31, 57, 73, 91, 133 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
First eight entries agree with the ATLAS. - Eric M. Schmidt, Apr 21 2013
Is this sequence simply A335865 starting with the second term? - Max Alekseyev, Apr 04 2022
LINKS
PROG
(Sage) def a138077_q(q): G = PSL(3, q); d = G.order(); return d // max(H.order() for H in G.conjugacy_classes_subgroups() if H.order()<d) # Max Alekseyev, Apr 05 2022
CROSSREFS
Cf. A000961, A003807 (order of PSL(3,q)), A335865.
Sequence in context: A013652 A099988 A076947 * A353206 A288655 A124192
KEYWORD
nonn,hard,more
AUTHOR
John Cannon and N. J. A. Sloane, Dec 06 2009
EXTENSIONS
a(3) corrected by Eric M. Schmidt, Apr 20 2013
Unconfirmed terms from a(9) onward removed by Max Alekseyev, Apr 05 2022
STATUS
approved

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)