# SageMath code for working with abstract group 12754584.he. # Some of these functions may take a long time to execute (this depends on the group). # Construction of abstract group: G = PermutationGroup(['(1,4,15,28,2,6,14,29,3,5,13,30)(7,34,8,35)(9,36)(10,33,24,21,12,31,22,20,11,32,23,19)(16,26,18,25)(17,27)', '(1,33,12,2,32,11)(3,31,10)(4,29)(5,28)(6,30)(7,23,27,21,35,14,9,22,26,19,36,15,8,24,25,20,34,13)(17,18)']) # 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(7607668701501790573228704488299130684201601382681422510130056759695503695344359501807017776805664970368239242748541071765708022592683821227963326771251689263950585292364300747858324200378802162716213301423809005057068862975694648335565414220675386825158619621512247925886349797328633954954596017156815174658617407032632872498863211574064122609497935292876535094403106113930457907881438685465308635022669666436955798726763801748233791618412957231027782261518437823256799630550897849677177629655484840446651589896950078613324207613210189889507519507255699777270962661034045343769647625778397630218089528992012382112417730401831032151375701150659007286111555769358997106983142727283457002612010651212088112529531612712988139784185975908351,12754584)'); a = GPC.1; b = GPC.2; c = GPC.4; d = GPC.6; e = GPC.7; f = GPC.8; g = GPC.9; h = GPC.11; i = GPC.12; j = GPC.14; k = GPC.15; l = GPC.16; # Define the group as a permutation group: PermutationGroup(['(1,4,15,28,2,6,14,29,3,5,13,30)(7,34,8,35)(9,36)(10,33,24,21,12,31,22,20,11,32,23,19)(16,26,18,25)(17,27)', '(1,33,12,2,32,11)(3,31,10)(4,29)(5,28)(6,30)(7,23,27,21,35,14,9,22,26,19,36,15,8,24,25,20,34,13)(17,18)']) # Define the group from the transitive group database: TransitiveGroup(36, 62083) # 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