// Magma code for working with abstract group 3888.el. // Some of these functions may take a long time to execute (this depends on the group). // Construction of abstract group: G := PermutationGroup< 27 | (1,22,10,5,27,15)(2,23,18,3,19,17)(4,20,16,9,21,11)(6,26,14)(7,24,13)(8,25,12), (1,16,24,6,10,26,4,15,20,5,13,25,2,14,23,3,11,21,8,12,27,7,17,22)(9,18,19) >; // 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, -3, -2, -2, -2, -3, 3, -3, 3, 18, 69176, 31196, 74, 34131, 58980, 102, 128524, 51313, 25925, 24638, 34151, 17312, 257, 102822, 58983, 10104, 5829, 798, 25945, 7810, 2635, 209960, 46682, 5867, 8792]); a,b,c,d,e,f := Explode([GPC.1, GPC.3, GPC.6, GPC.7, GPC.8, GPC.9]); AssignNames(~GPC, ["a", "a2", "b", "b2", "b4", "c", "d", "e", "f"]); // Define the group as a permutation group: PermutationGroup< 27 | (1,22,10,5,27,15)(2,23,18,3,19,17)(4,20,16,9,21,11)(6,26,14)(7,24,13)(8,25,12), (1,16,24,6,10,26,4,15,20,5,13,25,2,14,23,3,11,21,8,12,27,7,17,22)(9,18,19) >; // Define the group from the transitive group database: TransitiveGroup(27, 542); TransitiveGroup(36, 4854); TransitiveGroup(36, 4958); // 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