There seems to be an issue with RecognizeStarAlgebra. Here's what I got.
> s;
Tensor of valence 3, U2 x U1 >-> U0
U2 : Full Vector space of degree 8 over GF(5)
U1 : Full Vector space of degree 8 over GF(5)
U0 : Full Vector space of degree 2 over GF(5)
> IsFullyNondegenerate(s);
true
> A := AdjointAlgebra(s);
> A;
Matrix Algebra of degree 8 and dimension 16 with 16 generators over GF(5)
> RecognizeStarAlgebra(A);
RecognizeStarAlgebra(
A: Matrix Algebra of degree 8 and dimension 16 with 16 generato...
)
RecogniseStarAlgebra(
A: Matrix Algebra of degree 8 and dimension 16 with 16 generato...
)
RecogniseClassicalSSA(
S: Matrix Algebra of degree 8 and dimension 8 with 8 generators...
)
SimpleStarAlgebra(
name: orthogonalminus,
d: 2,
K: GF(5^2)
)
MySimpleStarAlgebra(
name: orthogonalminus,
d: 2,
K: GF(5^2)
)
GeneralOrthogonalGroupMinus(
d: 2,
K: GF(5^2)
)
In file "/usr/local/magma/package/Group/GrpMat/Classical/group.m", line 232,
column 18:
>> G := ChangeRing( G, K );
^
Runtime error in 'ChangeRing': Cannot coerce element from source coefficent ring
into the destination coefficient ring
The tensor is given by the following structure constants.
There seems to be an issue with
RecognizeStarAlgebra
. Here's what I got.The tensor is given by the following structure constants.