# Oscar code for working with abstract group 729.395. # If you have not already loaded the Oscar package, you should type "using Oscar;" before running the code below. # Some of these functions may take a long time to execute (this depends on the group). # Construction of abstract group: G = small_group(729, 395) # Order of the group: order(G) # Exponent of the group: exponent(G) # Automorphism group: automorphism_group(G) # Composition factors of the group: composition_series(G) # Nilpotency class of the group: if is_nilpotent(G) nilpotency_class(G) end # Derived length of the group: derived_length(G) # Determine if the group G is abelian: is_abelian(G) # Determine if the group G is cyclic: is_cyclic(G) # Determine if the group G is elementary abelian: is_elementary_abelian(G) # Determine if the group G is nilpotent: is_nilpotent(G) # Determine if the group G is perfect: is_perfect(G) # Determine if the group G is a p-group: is_pgroup(G) # Determine if the group G is simple: is_simple(G) # Determine if the group G is solvable: is_solvable(G) # Determine if the group G is supersolvable: is_supersolvable(G) # Compute statistics for the group G: # Oscar code to output the first two rows of the group statistics table element_orders = [order(g) for g in elements(G)] orders = sort(unique(element_orders)) println("Orders: ", orders) element_counts = [count(==(n), element_orders) for n in orders] println("Elements: ", element_counts, " ", order(G)) ccs = conjugacy_classes(G) cc_orders = [order(representative(cc)) for cc in ccs] cc_counts = [count(==(n), cc_orders) for n in orders] println("Conjugacy classes: ", cc_counts, " ", length(ccs)) # List of conjugacy classes of the group: conjugacy_classes(G) # Output not guaranteed to exactly match the LMFDB table # Compute statistics about the characters of G: # Outputs an MSet containing the absolutely irreducible degrees of G and their multiplicities. character_degrees(G) # Define the group as a permutation group: @permutation_group(30, (1,2,5)(3,7,13)(4,8,12)(6,16,22)(9,19,15)(10,17,14)(11,20,23)(18,25,27)(21,26,24), (2,6,17,7,18,26,19,20,8)(5,12,23,15,24,25,13,14,16)(28,29,30), (1,3,9)(2,7,19)(4,10,21)(5,13,15)(6,18,20)(8,17,26)(11,22,27)(12,14,24)(16,25,23)(28,30,29), (1,4,11,9,21,27,3,10,22)(2,8,20,19,26,18,7,17,6)(5,14,25,15,12,16,13,24,23), (1,3,9)(4,10,21)(5,15,13)(11,22,27)(12,24,14)(16,23,25), (1,3,9)(2,7,19)(4,10,21)(5,13,15)(6,18,20)(8,17,26)(11,22,27)(12,14,24)(16,25,23)) # Define the group as a matrix group with coefficients in GLZq: matrix_group([matrix(residue_ring(ZZ, 81)[1][[28, 0], [0, 1]]), matrix(residue_ring(ZZ, 81)[1][[1, 45], [54, 55]]), matrix(residue_ring(ZZ, 81)[1][[22, 20], [3, 4]]), matrix(residue_ring(ZZ, 81)[1][[28, 0], [0, 28]]), matrix(residue_ring(ZZ, 81)[1][[1, 27], [0, 1]]), matrix(residue_ring(ZZ, 81)[1][[46, 0], [0, 64]])]) # The primary decomposition of the group: abelian_invariants(G) # The abelianization of the group: quo(G, derived_subgroup(G)[1]) # List of subgroups of the group: subgroups(G) # Center of the group: center(G) # Commutator subgroup of the group G: derived_subgroup(G) # Frattini subgroup of the group G: frattini_subgroup(G) # Fitting subgroup of the group G: fitting_subgroup(G) # Radical of the group G: solvable_radical(G) # Socle of the group G: socle(G) # Derived series of the group G: derived_series(G) # Chief series of the group G: chief_series(G) # The lower central series of the group G: lower_central_series(G) # The upper central series of the group G: upper_central_series(G) # Character table: character_table(G) # Output not guaranteed to exactly match the LMFDB table