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Search: id:A004048
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| A004048 |
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Theta series of 14-dimensional extremal 3-modular lattice with det 3^7, minimal norm 4, group 2 X G_2(3). |
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+0 2
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| 1, 0, 756, 8736, 44226, 187488, 531468, 1314144, 3097332, 6141408, 10968048, 21258720, 34038186, 53778816, 88943400, 131804064, 184024386, 289650816, 387420516, 524343456, 756139104, 992308512
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OFFSET
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0,3
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REFERENCES
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J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985, p. 60.
Nebe and Plesken, Finite Rational Matrix Groups, p. 34.
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LINKS
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Index entries for sequences related to modular groups
G. Nebe and N. J. A. Sloane, Home page for this lattice
E. M. Rains and N. J. A. Sloane, The Shadow Theory of Modular and Unimodular Lattices, J. Number Theory, 73 (1998), 359-389.
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CROSSREFS
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Sequence in context: A158657 A004010 A018898 this_sequence A037191 A035853 A101833
Adjacent sequences: A004045 A004046 A004047 this_sequence A004049 A004050 A004051
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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