// Magma code for the lmfdb family of higher genus curves 8.48-28.0.3-4-8.2
// 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:=[48,28];
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:=[0,3,4,8];
genus:=8;
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:=[[9, 10, 15, 16, 12, 11, 14, 13, 17, 18, 23, 24, 20, 19, 22, 21, 1, 2, 7, 8, 4, 3, 6, 5, 33, 34, 39, 40, 36, 35, 38, 37, 41, 42, 47, 48, 44, 43, 46, 45, 25, 26, 31, 32, 28, 27, 30, 29], [32, 31, 27, 28, 30, 29, 26, 25, 48, 47, 43, 44, 46, 45, 42, 41, 40, 39, 35, 36, 38, 37, 34, 33, 7, 8, 4, 3, 5, 6, 1, 2, 23, 24, 20, 19, 21, 22, 17, 18, 15, 16, 12, 11, 13, 14, 9, 10], [43, 44, 45, 46, 48, 47, 41, 42, 35, 36, 37, 38, 40, 39, 33, 34, 27, 28, 29, 30, 32, 31, 25, 26, 20, 19, 22, 21, 23, 24, 18, 17, 12, 11, 14, 13, 15, 16, 10, 9, 4, 3, 6, 5, 7, 8, 2, 1]];
cc:=[3,5,8];
gen_vectors_as_perm:=[S!perm : perm in gen_vectors];
passport_label:=2;
gen_vect_label:=1;
is_hyperelliptic:=true;
hyp_involution:=S![2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 16, 15, 18, 17, 20, 19, 22, 21, 24, 23, 26, 25, 28, 27, 30, 29, 32, 31, 34, 33, 36, 35, 38, 37, 40, 39, 42, 41, 44, 43, 46, 45, 48, 47];
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 >);
