// Magma code for the lmfdb family of higher genus curves 9.3-1.0.3-3-3-3-3-3-3-3-3-3-3.3 // The results are stored in a list of records called 'data' RecFormat:=recformat; data:=[]; // Create group as a permutation group, and generate data which is the same for all entries. gp_id:=[3,1]; H:=SmallGroup(gp_id[1],gp_id[2]); n:=#H; LP:=[]; LG:=[g : g in H]; for i in [1..n] do x:=LG[i]; Tx:=[LG[j]*x : j in [1..n]]; permL:=[]; for j in [1..n] do for k in [1..n] do if Tx[j] eq LG[k] then permL[j]:=k; break; end if; end for; end for; Append(~LP,permL); end for; G:=PermutationGroup; signature:=[0,3,3,3,3,3,3,3,3,3,3,3]; genus:=9; r:=#signature-1; g0:=signature[1]; dim:=3*g0-3+r; S:=Sym(gp_id[1]); // Here we add an action to data. gen_vectors:=[[2, 3, 1], [2, 3, 1], [2, 3, 1], [2, 3, 1], [3, 1, 2], [3, 1, 2], [3, 1, 2], [3, 1, 2], [3, 1, 2], [3, 1, 2], [3, 1, 2]]; cc:=[2,2,2,2,3,3,3,3,3,3,3]; gen_vectors_as_perm:=[S!perm : perm in gen_vectors]; passport_label:=3; gen_vect_label:=1; is_hyperelliptic:=false; is_cyclic_trigonal:=true; cyc_auto:=S![2, 3, 1]; Append(~data, rec);