# Oscar code for working with abstract group 216.155. # 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(216, 155) # 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(12, (2,4,5,7,6,8,9,3)(11,12), (2,5,6,9)(3,4,7,8), (2,6)(3,7)(4,8)(5,9), (1,2,6)(3,4,5)(7,9,8), (1,3,7)(2,4,9)(5,8,6), (10,11,12)) # Define the group as a matrix group with coefficients in GLFp: matrix_group([matrix(GF(3), [[2, 0, 0, 1], [0, 1, 0, 0], [1, 0, 1, 1], [2, 0, 0, 0]]), matrix(GF(3), [[1, 1, 2, 2], [0, 2, 0, 0], [0, 1, 1, 0], [0, 2, 1, 2]]), matrix(GF(3), [[2, 1, 1, 2], [2, 1, 0, 2], [1, 1, 2, 2], [2, 2, 2, 2]]), matrix(GF(3), [[0, 2, 2, 1], [2, 0, 1, 0], [2, 0, 1, 2], [2, 1, 1, 1]]), matrix(GF(3), [[0, 1, 2, 1], [2, 1, 2, 1], [2, 0, 1, 2], [1, 2, 1, 0]]), matrix(GF(3), [[1, 0, 2, 2], [2, 1, 0, 2], [1, 0, 0, 0], [0, 0, 1, 2]])]) # Define the group from the transitive group database: transitive_group(24, 568) transitive_group(27, 80) transitive_group(36, 288) # 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