// Magma code for the lmfdb family of higher genus curves 7.64-38.0.2-4-16.7
// The results are stored in a list of records called 'data'

RecFormat:=recformat<group,gp_id, signature,gen_vectors,conj_classes,genus,dimension,r,g0, passport_label,gen_vect_label, is_hyperelliptic, hyp_involution, is_cyclic_trigonal,cyc_auto,full_auto, full_sign,topological_class,braid_class>;

data:=[];

// Create group as a permutation group, and generate data which is the same for all entries.
gp_id:=[64,38];
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<n|LP>; 
signature:=[0,2,4,16];
genus:=7;
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:=[[17, 18, 20, 19, 21, 22, 24, 23, 27, 28, 25, 26, 31, 32, 29, 30, 1, 2, 4, 3, 5, 6, 8, 7, 11, 12, 9, 10, 15, 16, 13, 14, 49, 50, 52, 51, 53, 54, 56, 55, 59, 60, 57, 58, 63, 64, 61, 62, 33, 34, 36, 35, 37, 38, 40, 39, 43, 44, 41, 42, 47, 48, 45, 46], [38, 37, 39, 40, 34, 33, 35, 36, 48, 47, 46, 45, 44, 43, 42, 41, 62, 61, 63, 64, 58, 57, 59, 60, 54, 53, 55, 56, 50, 49, 51, 52, 2, 1, 3, 4, 6, 5, 7, 8, 12, 11, 10, 9, 16, 15, 14, 13, 26, 25, 27, 28, 30, 29, 31, 32, 18, 17, 19, 20, 22, 21, 23, 24], [50, 49, 52, 51, 54, 53, 56, 55, 58, 57, 60, 59, 62, 61, 64, 63, 44, 43, 41, 42, 48, 47, 45, 46, 34, 33, 36, 35, 38, 37, 40, 39, 22, 21, 24, 23, 18, 17, 20, 19, 30, 29, 32, 31, 26, 25, 28, 27, 16, 15, 13, 14, 12, 11, 9, 10, 6, 5, 8, 7, 2, 1, 4, 3]];
cc:=[5,10,19];
gen_vectors_as_perm:=[S!perm : perm in gen_vectors];
passport_label:=7;
gen_vect_label:=1;
braid_class:=1;
topological_class:=[1, 1];
is_hyperelliptic:=true;
hyp_involution:=S![5, 6, 7, 8, 1, 2, 3, 4, 13, 14, 15, 16, 9, 10, 11, 12, 21, 22, 23, 24, 17, 18, 19, 20, 29, 30, 31, 32, 25, 26, 27, 28, 37, 38, 39, 40, 33, 34, 35, 36, 45, 46, 47, 48, 41, 42, 43, 44, 53, 54, 55, 56, 49, 50, 51, 52, 61, 62, 63, 64, 57, 58, 59, 60];
is_cyclic_trigonal:=false;
Append(~data, rec<RecFormat | group:=G, gp_id:=gp_id, signature:=signature, gen_vectors:=gen_vectors_as_perm, conj_classes:=cc, genus:=genus, dimension:=dim, r:=r, g0:=g0, passport_label:= passport_label,gen_vect_label:=gen_vect_label, braid_class:=braid_class, topological_class:=topological_class, is_hyperelliptic:=is_hyperelliptic, hyp_involution:=hyp_involution,is_cyclic_trigonal:=is_cyclic_trigonal >);
