// Magma code for the lmfdb family of higher genus curves 3.8-2.0.2-2-4-4.12 // 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:=[8,2]; 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:=[0,2,2,4,4]; genus:=3; 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:=[[4, 3, 2, 1, 8, 7, 6, 5], [4, 3, 2, 1, 8, 7, 6, 5], [7, 8, 5, 6, 4, 3, 2, 1], [8, 7, 6, 5, 3, 4, 1, 2]]; cc:=[4,4,7,8]; gen_vectors_as_perm:=[S!perm : perm in gen_vectors]; passport_label:=12; gen_vect_label:=1; braid_class:=1; topological_class:=[5, 1]; full_auto:=[16,11]; full_sign:=[0,2,2,2,4]; Append(~data, rec);