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Subsequent change in test output and examples
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hulpke committed Feb 21, 2022
1 parent a040122 commit 71dd706
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33 changes: 0 additions & 33 deletions doc/ref/ctbl.xml
Original file line number Diff line number Diff line change
Expand Up @@ -515,39 +515,6 @@ gap> Length( ro.irreducibles );
gap> DxIncludeIrreducibles( d, ro.irreducibles );
]]></Example>
<P/>
The tensor products of the nonlinear characters among each other are reduced
with the irreducible characters.
The result is split according to the spaces found, which yields characters
of smaller norms, but no new irreducibles.
<P/>
<Example><![CDATA[
gap> nlc:= Filtered( d.irreducibles, i -> i[1] > 1 );;
gap> t:= Tensored( nlc, nlc );;
gap> ro:= ReducedCharacters( c, d.irreducibles, t );; ro.irreducibles;
[ ]
gap> List( ro.remainders, i -> ScalarProduct( c, i, i) );
[ 2, 2, 4, 4, 4, 4, 13, 13, 18, 18, 19, 21, 21, 36, 36, 29, 34, 34,
42, 34, 48, 54, 62, 68, 68, 78, 84, 84, 88, 90, 159, 169, 169, 172,
172, 266, 271, 271, 268, 274, 274, 280, 328, 373, 373, 456, 532,
576, 679, 683, 683, 754, 768, 768, 890, 912, 962, 1453, 1453, 1601,
1601, 1728, 1739, 1739, 1802, 2058, 2379, 2414, 2543, 2744, 2744,
2920, 3078, 3078, 4275, 4275, 4494, 4760, 5112, 5115, 5115, 5414,
6080, 6318, 7100, 7369, 7369, 7798, 8644, 10392, 12373, 12922,
14122, 14122, 18948, 21886, 24641, 24641, 25056, 38942, 44950,
78778 ]
gap> t:= SplitCharacters( d, ro.remainders );;
gap> List( t, i -> ScalarProduct( c, i, i ) );
[ 2, 2, 4, 2, 2, 4, 4, 3, 6, 5, 5, 9, 9, 4, 12, 13, 18, 18, 20, 18,
20, 24, 26, 32, 32, 16, 42, 59, 69, 69, 72, 72, 36, 72, 78, 78, 84,
122, 117, 127, 117, 127, 64, 132, 100, 144, 196, 256, 456, 532,
576, 679, 683, 683, 754, 768, 768, 890, 912, 962, 1453, 1453, 1601,
1601, 1728, 1739, 1739, 1802, 2058, 2379, 2414, 2543, 2744, 2744,
2920, 3078, 3078, 4275, 4275, 4494, 4760, 5112, 5115, 5115, 5414,
6080, 6318, 7100, 7369, 7369, 7798, 8644, 10392, 12373, 12922,
14122, 14122, 18948, 21886, 24641, 24641, 25056, 38942, 44950,
78778 ]
]]></Example>
<P/>
Finally we calculate the characters induced from all cyclic subgroups and
obtain the missing irreducibles by applying the LLL-algorithm to them.
<P/>
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4 changes: 2 additions & 2 deletions tst/testinstall/MatrixObj/ZeroVector.tst
Original file line number Diff line number Diff line change
Expand Up @@ -82,9 +82,9 @@ Error, ZeroVector: length must be non-negative

#
gap> ZeroVector(Integers mod 4, 2);
<plist vector over (Integers mod 4) of length 2>
<zmodnz vector over (Integers mod 4) of length 2>
gap> ZeroVector(Integers mod 4, 0);
<plist vector over (Integers mod 4) of length 0>
<zmodnz vector over (Integers mod 4) of length 0>
gap> ZeroVector(Integers mod 4, -1);
Error, ZeroVector: length must be non-negative

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