// Magma code for working with abstract group 3888.ds. // Some of these functions may take a long time to execute (this depends on the group). // Construction of abstract group: G := PermutationGroup< 18 | (1,2,4)(3,6)(7,8,9)(11,12,14,17)(13,16,15,18), (1,3,4,6)(2,5)(7,8)(10,11,13,14,18,17,12,15) >; // Order of the group: Order(G); // Exponent of the group: Exponent(G); // Automorphism group: AutomorphismGroup(G); // Composition factors of the group: CompositionFactors(G); // Nilpotency class of the group: NilpotencyClass(G); // Derived length of the group: DerivedLength(G); // Determine if the group G is abelian: IsAbelian(G); // Determine if the group G is cyclic: IsCyclic(G); // Determine if the group G is elementary abelian: IsElementaryAbelian(G); // Determine if the group G is nilpotent: IsNilpotent(G); // Determine if the group G is perfect: IsPerfect(G); // Determine if the group G is simple: IsSimple(G); // Determine if the group G is solvable: IsSolvable(G); // Compute statistics for the group G: // Magma code to output the first two rows of the group statistics table element_orders := [Order(g) : g in G]; orders := Set(element_orders); printf "Orders: %o\n", orders; printf "Elements: %o %o\n", [#[x : x in element_orders | x eq n] : n in orders], Order(G); cc_orders := [cc[1] : cc in ConjugacyClasses(G)]; printf "Conjugacy classes: %o %o\n", [#[x : x in cc_orders | x eq n] : n in orders], #cc_orders; // List of conjugacy classes of the group: ConjugacyClasses(G); // Output not guaranteed to exactly match the LMFDB table // Compute statistics about the characters of G: // Outputs [, , ...] where c_i is the number of irr. complex chars. of G with degree d_i CharacterDegrees(G); // Define the group with the given generators and relations: GPC := PCGroup([9, 2, 2, 3, 2, 2, 3, 3, 3, 3, 3510, 2773, 46, 72146, 9254, 5835, 28308, 27345, 102, 87484, 80473, 29452, 130, 108869, 2606, 84678, 49911, 29508, 17421, 4956, 155527, 62224, 15577, 18178, 2635, 35000, 122489, 52514, 23363, 8792]); a,b,c,d,e,f := Explode([GPC.1, GPC.2, GPC.4, GPC.7, GPC.8, GPC.9]); AssignNames(~GPC, ["a", "b", "b2", "c", "c2", "c4", "d", "e", "f"]); // Define the group as a permutation group: PermutationGroup< 18 | (1,2,4)(3,6)(7,8,9)(11,12,14,17)(13,16,15,18), (1,3,4,6)(2,5)(7,8)(10,11,13,14,18,17,12,15) >; // Define the group from the transitive group database: TransitiveGroup(24, 7311); TransitiveGroup(36, 4957); // The primary decomposition of the group: PrimaryInvariants(G); // The abelianization of the group: quo< G | CommutatorSubgroup(G) >; // List of subgroups of the group: Subgroups(G); // Center of the group: Center(G); // Commutator subgroup of the group G: CommutatorSubgroup(G); // Frattini subgroup of the group G: FrattiniSubgroup(G); // Fitting subgroup of the group G: FittingSubgroup(G); // Radical of the group G: Radical(G); // Socle of the group G: Socle(G); // Derived series of the group G: DerivedSeries(G); // Chief series of the group G: ChiefSeries(G); // The lower central series of the group G: LowerCentralSeries(G); // The upper central series of the group G: UpperCentralSeries(G); // Character table: CharacterTable(G); // Output not guaranteed to exactly match the LMFDB table