# Gap code for working with abstract group 128.761. # Some of these functions may take a long time to execute (this depends on the group). # Construction of abstract group: G := SmallGroup(128, 761); # Order of the group: Order(G); # Exponent of the group: Exponent(G); # Automorphism group: AutomorphismGroup(G); # The outer automorphism group of G: FactorGroup(AutomorphismGroup(G), InnerAutomorphismGroup(G)); # Composition factors of the group: CompositionSeries(G); # Nilpotency class of the group: if IsNilpotentGroup(G) then NilpotencyClassOfGroup(G); fi; # 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 a monomial group: IsMonomialGroup(G); # Determine if the group G is nilpotent: IsNilpotentGroup(G); # Determine if the group G is perfect: IsPerfectGroup(G); # Determine if the group G is a p-group: IsPGroup(G); # Determine if the group G is polycyclic: IsPolycyclicGroup(G); # Determine if the group G is simple: IsSimpleGroup(G); # Determine if the group G is solvable: IsSolvableGroup(G); # Determine if the group G is supersolvable: IsSupersolvableGroup(G); # Compute statistics for the group G: # Gap code to output the first two rows of the group statistics table element_orders := List(Elements(G), g -> Order(g)); orders := Set(element_orders); Print("Orders: ", orders, "\n"); element_counts := List(orders, n -> Length(Filtered(element_orders, x -> x = n))); Print("Elements: ", element_counts, " ", Size(G), "\n"); cc_orders := List(ConjugacyClasses(G), cc -> Order(Representative(cc))); cc_counts := List(orders, n -> Length(Filtered(cc_orders, x -> x = n))); Print("Conjugacy classes: ", cc_counts, " ", Length(ConjugacyClasses(G)), "\n"); # 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 [[d_1,c_1], [d_2,c_2], ...] 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 := PcGroupCode(304611416202824932492386,128); a := GPC.1; b := GPC.2; c := GPC.4; d := GPC.5; e := GPC.6; # Define the group as a permutation group: Group( (1,11,3,9)(2,12,4,10)(5,15,7,13)(6,16,8,14), (1,7,3,5)(2,8,4,6)(9,13,11,15)(10,14,12,16), (13,14)(15,16), (1,3)(2,4)(5,7)(6,8)(9,11)(10,12)(13,15)(14,16), (5,6)(7,8)(13,14)(15,16), (9,10)(11,12)(13,14)(15,16), (1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,14)(15,16) ); # Define the group as a matrix group with coefficients in GLFq: Group([[[Z(4)^0, 0*Z(4), 0*Z(4), 0*Z(4)], [0*Z(4), Z(4)^0, 0*Z(4), 0*Z(4)], [Z(4)^1, 0*Z(4), Z(4)^0, Z(4)^1], [0*Z(4), 0*Z(4), 0*Z(4), Z(4)^0]],[[Z(4)^0, 0*Z(4), 0*Z(4), 0*Z(4)], [Z(4)^1, Z(4)^0, 0*Z(4), Z(4)^1], [Z(4)^0, Z(4)^2, Z(4)^0, 0*Z(4)], [0*Z(4), 0*Z(4), 0*Z(4), Z(4)^0]],[[Z(4)^1, Z(4)^1, 0*Z(4), Z(4)^2], [0*Z(4), Z(4)^0, 0*Z(4), 0*Z(4)], [Z(4)^2, Z(4)^1, Z(4)^0, Z(4)^2], [Z(4)^2, Z(4)^1, 0*Z(4), Z(4)^1]],[[Z(4)^1, 0*Z(4), 0*Z(4), Z(4)^2], [0*Z(4), Z(4)^0, 0*Z(4), 0*Z(4)], [Z(4)^2, 0*Z(4), Z(4)^0, Z(4)^2], [Z(4)^2, 0*Z(4), 0*Z(4), Z(4)^1]],[[0*Z(4), 0*Z(4), 0*Z(4), Z(4)^0], [0*Z(4), Z(4)^0, 0*Z(4), 0*Z(4)], [Z(4)^1, 0*Z(4), Z(4)^0, Z(4)^2], [Z(4)^0, 0*Z(4), 0*Z(4), 0*Z(4)]],[[Z(4)^0, 0*Z(4), 0*Z(4), 0*Z(4)], [0*Z(4), Z(4)^0, 0*Z(4), 0*Z(4)], [Z(4)^2, 0*Z(4), Z(4)^0, Z(4)^2], [0*Z(4), 0*Z(4), 0*Z(4), Z(4)^0]],[[Z(4)^0, 0*Z(4), 0*Z(4), 0*Z(4)], [Z(4)^1, Z(4)^0, 0*Z(4), Z(4)^1], [Z(4)^0, Z(4)^0, Z(4)^0, 0*Z(4)], [0*Z(4), 0*Z(4), 0*Z(4), Z(4)^0]]]); # Define the group from the transitive group database: TransitiveGroup(16, 333); TransitiveGroup(16, 347); TransitiveGroup(32, 758); TransitiveGroup(32, 759); TransitiveGroup(32, 760); TransitiveGroup(32, 794); TransitiveGroup(32, 795); TransitiveGroup(32, 1551); # The primary decomposition of the group: AbelianInvariants(G); # The abelianization of the group: FactorGroup(G, DerivedSubgroup(G)); # The Schur multiplier of the group: AbelianInvariantsMultiplier(G); # The commutator length of the group: CommutatorLength(G); # List of subgroups of the group: AllSubgroups(G); # Center of the group: Center(G); # Commutator subgroup of the group G: DerivedSubgroup(G); # Frattini subgroup of the group G: FrattiniSubgroup(G); # Fitting subgroup of the group G: FittingSubgroup(G); # Radical of the group G: SolvableRadical(G); # Socle of the group G: Socle(G); # Derived series of the group G: DerivedSeriesOfGroup(G); # Chief series of the group G: ChiefSeries(G); # The lower central series of the group G: LowerCentralSeriesOfGroup(G); # The upper central series of the group G: UpperCentralSeriesOfGroup(G); # Character table: CharacterTable(G); # Output not guaranteed to exactly match the LMFDB table