// Magma code for working with abstract group 144.120. // Some of these functions may take a long time to execute (this depends on the group). // Construction of abstract group: G := SmallGroup(144, 120); // 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([6, -2, -2, -2, -2, -3, 3, 12, 218, 50, 2884, 490, 496, 142, 581, 1739, 1025, 455]); a,b,c,d := Explode([GPC.1, GPC.3, GPC.5, GPC.6]); AssignNames(~GPC, ["a", "a2", "b", "b2", "c", "d"]); // Define the group as a permutation group: PermutationGroup< 13 | (2,4,5,9)(3,7,8,6)(10,11)(12,13), (2,3,5,8)(4,6,9,7)(10,12,11,13), (2,5)(3,8)(4,9)(6,7), (10,11)(12,13), (1,2,5)(3,6,9)(4,7,8), (1,3,8)(2,6,4)(5,9,7) >; // Define the group as a matrix group with coefficients in GLFp: MatrixGroup< 4, GF(3) | [[0, 2, 2, 1, 0, 0, 0, 1, 1, 0, 1, 2, 0, 2, 0, 1], [1, 1, 0, 2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 1, 1, 1], [2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2], [0, 0, 1, 1, 2, 2, 1, 2, 1, 1, 0, 0, 1, 2, 2, 2], [0, 1, 1, 2, 2, 0, 1, 0, 0, 2, 1, 2, 1, 2, 2, 2], [1, 0, 0, 0, 2, 0, 0, 1, 2, 0, 1, 2, 0, 1, 1, 1]] >; // Define the group from the transitive group database: TransitiveGroup(24, 258); TransitiveGroup(24, 259); TransitiveGroup(36, 160); TransitiveGroup(36, 161); // 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