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group[isabelian] - determine whether a permutation group is abelian
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Calling Sequence
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isabelian(pg)
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Parameters
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pg
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given permutation group to be tested
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Description
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This function determines whether pg is an abelian group. If it is, then true is returned; otherwise false is returned.
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The command with(group,isabelian) allows the use of the abbreviated form of this command.
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Examples
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![pg := permgroup(8, {[[1, 2]], [[1, 2, 3, 4, 5, 6, 7, 8]]})](/support/helpjp/helpview.aspx?si=9135/file04188/math55.png)
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![pg2 := permgroup(8, {[[1, 2]], [[3, 4]]})](/support/helpjp/helpview.aspx?si=9135/file04188/math59.png)
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