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A000019 Number of primitive permutation groups of degree n.
(Formerly M0346 N0130)
19
1, 1, 2, 2, 5, 4, 7, 7, 11, 9, 8, 6, 9, 4, 6, 22, 10, 4, 8, 4, 9, 4, 7, 5, 28, 7, 15, 14, 8, 4, 12, 7, 4, 2, 6, 22, 11, 4, 2, 8, 10, 4, 10, 4, 9, 2, 6, 4, 40, 9, 2, 3, 8, 4, 8, 9, 5, 2, 6, 9, 14, 4, 8, 74, 13, 7, 10, 7, 2, 2, 10, 4, 16, 4, 2, 2, 4, 6, 10, 4, 155, 10, 6, 6, 6, 2, 2, 2, 10, 4, 10, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A check found errors in Theißen's data (degree 121 and 125) as well as in Short's work (degree 169). - Alexander Hulpke, Feb 19 2002

There is an error at n=574 in the Dixon-Mortimer paper. - Colva M. Roney-Dougal.

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, pp. 595ff.

K. Harada and H. Yamaki, The irreducible subgroups of GL_n(2) with n <= 6, C. R. Math. Rep. Acad. Sci. Canada 1, 1979, 75-78.

A. Hulpke, Konstruktion transitiver Permutationsgruppen, Dissertation, RWTH Aachen, 1996.

M. W. Short, The Primitive Soluble Permutation Groups of Degree less than 256, LNM 1519, 1992, Springer

C. C. Sims, Computational methods in the study of permutation groups, pp. 169-183 of J. Leech, editor, Computational Problems in Abstract Algebra. Pergamon, Oxford, 1970.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

H. Theißen, Eine Methode zur Normalisatorberechnung in Permutationsgruppen mit Anwendungen in der Konstruktion primitiver Gruppen, Dissertation, RWTH, RWTH-A, 1997 [But see comment above about errors! ]

LINKS

Vaclav Kotesovec, Table of n, a(n) for n = 1..4095, computed using the Magma command shown below (terms 1..2499 from N. J. A. Sloane, computed using the GAP command shown below, which uses the results of Colva M. Roney-Dougal, a(1575) corrected).

J. D. Dixon and B. Mortimer, The primitive permutation groups of degree less than 1000, Math. Proc. Cambridge Philos. Soc., 103, 213-238, 1988 [But see comment above about errors! ]

D. Holt, Enumerating subgroups of the symmetric group, in Computational Group Theory and the Theory of Groups, II, edited by L.-C. Kappe, A. Magidin and R. Morse. AMS Contemporary Mathematics book series, vol. 511, pp. 33-37. [Annotated copy]

A. Hulpke, Transitive groups of small degree

A. Hulpke, Constructing transitive permutation groups, J. Symbolic Comput. 39 (2005), 1-30.

J. Labelle and Y. N. Yeh, The relation between Burnside rings and combinatorial species, J. Combin. Theory, A 50 (1989), 269-284. See page 280.

C. C. Sims, Letter to N. J. A. Sloane (no date)

Index entries for sequences related to groups

Index entries for "core" sequences

PROG

(GAP) List([2..2499], NrPrimitiveGroups);

(Magma) [NumberOfPrimitiveGroups(i) : i in [1..4095]];

CROSSREFS

Cf. A000001, A023675, A023676, A000638, A002106, A005432, A000637.

Sequence in context: A266792 A162200 A290289 * A318196 A081177 A007281

Adjacent sequences:  A000016 A000017 A000018 * A000020 A000021 A000022

KEYWORD

nonn,core,nice

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms and additional references from Alexander Hulpke

STATUS

approved

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Last modified September 26 08:07 EDT 2022. Contains 356987 sequences. (Running on oeis4.)