Yes, I wrote a wrapper that calls irreducible_characters() once and caches the results. There seems to be more issues about the output though, for example char_1.symmetric_power(2) throws an error. I think ClassFunction(G, char_1.values()) works as expected, but that's again a workaround and might have other issues. On Wednesday, June 23, 2021 at 12:42:16 PM UTC-5 trevor...@gmail.com wrote:
> I see the same issue on 9.4.beta1. It looks like maybe there is a unique > representation issue happening? That is, on your second call if irreducible > characters, it creates a new instance of the irreducible and so it doesn't > recognize them as the same. If you only compute the > G.irreducible_characters() once, it seems to work: > > sage: G = SymmetricGroup(*3*) > sage: irr = > G.irreducible_characters() > sage: char_1 = irr[*0*] > > sage: char_2 = irr[*0*] > sage: > char_1.scalar_product(char_2) > > > > 1 > > Does this approach work for your use-case? > On Wednesday, June 23, 2021 at 9:30:20 AM UTC-5 ronn...@gmail.com wrote: > >> The following code throws the error "GAPError: Error, no method found! >> Error, no 1st choice method found for `=' on 2 arguments": >> >> G = SymmetricGroup(3) >> char_1 = G.irreducible_character()[0] >> char_2 = G.irreducible_character()[0] >> char_1.scalar_product(char_2) # should be 1(or maybe 0 if the order is >> not consistent) >> >> The same issue appears if G is a PermutationGroup. I'm running sage 9.3, >> compiled from source. >> > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/6fb2fafe-caff-450a-af34-44e82b961eadn%40googlegroups.com.
