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Magma[Commutant] - compute the commutant of a magma
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Calling Sequence
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Commutant( m )
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Parameters
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m
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Array representing the Cayley table of a finite magma
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Description
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The commutant of a magma is the set of its members that commute with every member of the magma.
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The Commutant command returns the commutant of the magma m as a set.
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Compatibility
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The Magma[Commutant] command was introduced in Maple 15.
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Examples
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![m := Matrix([[1, 2, 3], [2, 3, 1], [3, 1, 2]])](/support/helpjp/helpview.aspx?si=8548/file02096/math69.png)
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![m := Matrix([[1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 2, 4], [1, 2, 2, 4, 5]])](/support/helpjp/helpview.aspx?si=8548/file02096/math83.png)
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![m := Matrix([[1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 1, 1], [1, 1, 1, 2, 4], [1, 2, 1, 4, 5]])](/support/helpjp/helpview.aspx?si=8548/file02096/math97.png)
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