# SageMath code for working with abstract group 708588.je. # Some of these functions may take a long time to execute (this depends on the group). # Construction of abstract group: G = PermutationGroup(['(1,26,14,3,25,13,2,27,15)(4,29,17,6,28,16,5,30,18)(7,8,9)(10,24,34)(11,22,35)(12,23,36)(19,21,20)(31,33,32)', '(1,4,2,5,3,6)(7,34,21,10,32,24,9,35,20,11,31,22,8,36,19,12,33,23)(13,16)(14,17)(15,18)(25,28,27,30,26,29)', '(1,11,25,36,15,23,2,12,26,34,13,24,3,10,27,35,14,22)(4,33,16,7,28,20,6,31,18,8,30,21,5,32,17,9,29,19)']) # Order of the group: G.order() # Exponent of the group: G.exponent() # Automorphism group: libgap(G).AutomorphismGroup() # Composition factors of the group: G.composition_series() # Nilpotency class of the group: libgap(G).NilpotencyClassOfGroup() if G.is_nilpotent() else -1 # Derived length of the group: libgap(G).DerivedLength() # Determine if the group G is abelian: G.is_abelian() # Determine if the group G is cyclic: G.is_cyclic() # Determine if the group G is elementary abelian: G.is_elementary_abelian() # Determine if the group G is nilpotent: G.is_nilpotent() # Determine if the group G is perfect: G.is_perfect() # Determine if the group G is a p-group: G.is_pgroup() # Determine if the group G is polycyclic: G.is_polycyclic() # Determine if the group G is simple: G.is_simple() # Determine if the group G is solvable: G.is_solvable() # Determine if the group G is supersolvable: G.is_supersolvable() # Compute statistics for the group G: # Sage code to output the first two rows of the group statistics table element_orders = [g.order() for g in G] orders = sorted(list(set(element_orders))) print("Orders:", orders) print("Elements:", [element_orders.count(n) for n in orders], G.order()) cc_orders = [cc[0].order() for cc in G.conjugacy_classes()] print("Conjugacy classes:", [cc_orders.count(n) for n in orders], len(cc_orders)) # List of conjugacy classes of the group: G.conjugacy_classes() # 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 character_degrees = [c[0] for c in G.character_table()] [[n, character_degrees.count(n)] for n in set(character_degrees)] # Define the group with the given generators and relations: # This uses Sage's interface to GAP, as Sage (currently) has no native support for PC groups GPC = gap.new('PcGroupCode(5324324220548890227568362481803448504198505464973787969251609987818393940176582529566684745927951727331997998909823853454180866694044748232656276268848259378110325960142944503453819033610728533435356860514379892511288913820113131852921861510520279881171566680300964373953932567057927853484354314824703,708588)'); a = GPC.1; b = GPC.3; c = GPC.5; d = GPC.6; e = GPC.8; f = GPC.9; g = GPC.10; h = GPC.11; i = GPC.12; j = GPC.13; # Define the group as a permutation group: PermutationGroup(['(1,26,14,3,25,13,2,27,15)(4,29,17,6,28,16,5,30,18)(7,8,9)(10,24,34)(11,22,35)(12,23,36)(19,21,20)(31,33,32)', '(1,4,2,5,3,6)(7,34,21,10,32,24,9,35,20,11,31,22,8,36,19,12,33,23)(13,16)(14,17)(15,18)(25,28,27,30,26,29)', '(1,11,25,36,15,23,2,12,26,34,13,24,3,10,27,35,14,22)(4,33,16,7,28,20,6,31,18,8,30,21,5,32,17,9,29,19)']) # Define the group from the transitive group database: TransitiveGroup(36, 34087) # The abelianization of the group: G.quotient(G.commutator()) # The Schur multiplier of the group: G.homology(2) # List of subgroups of the group: G.subgroups() # Center of the group: G.center() # Commutator subgroup of the group G: G.commutator() # Frattini subgroup of the group G: G.frattini_subgroup() # Fitting subgroup of the group G: G.fitting_subgroup() # Socle of the group G: G.socle() # Derived series of the group G: G.derived_series() # Chief series of the group G: libgap(G).ChiefSeries() # The lower central series of the group G: G.lower_central_series() # The upper central series of the group G: G.upper_central_series() # Character table: G.character_table() # Output not guaranteed to exactly match the LMFDB table