// Magma code for working with abstract group 384.12892. // Some of these functions may take a long time to execute (this depends on the group). // Construction of abstract group: G := SmallGroup(384, 12892); // 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([8, -2, -2, -2, -2, -2, 2, -2, -3, 1545, 674, 66, 771, 91, 4237, 2709, 141, 8974, 166, 8207]); a,b,c,d := Explode([GPC.1, GPC.2, GPC.3, GPC.6]); AssignNames(~GPC, ["a", "b", "c", "c2", "c4", "d", "d2", "d4"]); // Define the group as a permutation group: PermutationGroup< 27 | (1,2)(3,6)(4,7)(5,9)(8,12)(10,14)(11,13)(15,16)(17,18)(20,22), (1,3,5,10)(2,6,9,14)(4,11,12,16)(7,13,8,15)(17,19)(18,21)(20,23)(22,24)(26,27), (2,7)(4,12)(6,13)(8,9)(11,16)(14,15), (3,10)(6,14)(11,16)(13,15)(17,20,18,22)(19,23,21,24)(26,27), (17,18)(19,21)(20,22)(23,24), (1,4,5,12)(2,8,9,7)(3,11,10,16)(6,15,14,13), (1,5)(2,9)(3,10)(4,12)(6,14)(7,8)(11,16)(13,15), (25,26,27) >; // 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