// Magma code for working with abstract group 100.10. // Some of these functions may take a long time to execute (this depends on the group). // Construction of abstract group: G := SmallGroup(100, 10); // 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([4, -2, -2, -5, -5, 8, 98, 102, 1283]); a,b,c := Explode([GPC.1, GPC.3, GPC.4]); AssignNames(~GPC, ["a", "a2", "b", "c"]); // Define the group as a permutation group: PermutationGroup< 10 | (2,3,4,5)(7,8)(9,10), (2,4)(3,5), (6,7,9,10,8), (1,2,5,3,4) >; // Define the group as a matrix group with coefficients in GLFp: MatrixGroup< 3, GF(5) | [[4, 3, 4, 0, 0, 3, 2, 1, 0], [4, 1, 0, 1, 3, 0, 3, 1, 1], [4, 0, 3, 2, 3, 1, 4, 2, 4], [4, 3, 1, 1, 2, 2, 4, 0, 2]] >; // Define the group from the transitive group database: TransitiveGroup(20, 26); TransitiveGroup(25, 11); // 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