Properties

Label 10368.a
Order \( 2^{7} \cdot 3^{4} \)
Exponent \( 2^{4} \cdot 3^{2} \)
Nilpotent no
Solvable yes
$\card{G^{\mathrm{ab}}}$ \( 2^{4} \cdot 3^{2} \)
$\card{Z(G)}$ \( 2^{3} \cdot 3^{2} \)
$\card{\Aut(G)}$ \( 2^{10} \cdot 3^{4} \)
$\card{\mathrm{Out}(G)}$ \( 2^{6} \cdot 3^{2} \)
Perm deg. $34$
Trans deg. $144$
Rank $2$

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Show commands: Gap / Magma / Oscar / SageMath

Copy content comment:Construction of abstract group
 
Copy content magma:G := COPlus(2,73);
 
Copy content gap:G := Group( (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33) );
 
Copy content sage:G = PermutationGroup(['(1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23)', '(1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24)', '(1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33)'])
 
Copy content sage_gap:G = gap.new('Group( (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33) )')
 
Copy content oscar:G = @permutation_group(34, (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33))
 

Group information

Description:$C_{72}.D_{72}$
Order: \(10368\)\(\medspace = 2^{7} \cdot 3^{4} \)
Copy content comment:Order of the group
 
Copy content magma:Order(G);
 
Copy content gap:Order(G);
 
Copy content sage:G.order()
 
Copy content sage_gap:G.Order()
 
Copy content oscar:order(G)
 
Exponent: \(144\)\(\medspace = 2^{4} \cdot 3^{2} \)
Copy content comment:Exponent of the group
 
Copy content magma:Exponent(G);
 
Copy content gap:Exponent(G);
 
Copy content sage:G.exponent()
 
Copy content sage_gap:G.Exponent()
 
Copy content oscar:exponent(G)
 
Automorphism group:$C_{36}.C_6^2.C_2^6$, of order \(82944\)\(\medspace = 2^{10} \cdot 3^{4} \)
Copy content comment:Automorphism group
 
Copy content gap:AutomorphismGroup(G);
 
Copy content magma:AutomorphismGroup(G);
 
Copy content sage:libgap(G).AutomorphismGroup()
 
Copy content sage_gap:G.AutomorphismGroup()
 
Copy content oscar:automorphism_group(G)
 
Composition factors:$C_2$ x 7, $C_3$ x 4
Copy content comment:Composition factors of the group
 
Copy content magma:CompositionFactors(G);
 
Copy content gap:CompositionSeries(G);
 
Copy content sage:G.composition_series()
 
Copy content sage_gap:G.CompositionSeries()
 
Copy content oscar:composition_series(G)
 
Derived length:$2$
Copy content comment:Derived length of the group
 
Copy content magma:DerivedLength(G);
 
Copy content gap:DerivedLength(G);
 
Copy content sage:libgap(G).DerivedLength()
 
Copy content sage_gap:G.DerivedLength()
 
Copy content oscar:derived_length(G)
 

This group is nonabelian, supersolvable (hence solvable and monomial), and metabelian.

Copy content comment:Determine if the group G is abelian
 
Copy content magma:IsAbelian(G);
 
Copy content gap:IsAbelian(G);
 
Copy content sage:G.is_abelian()
 
Copy content sage_gap:G.IsAbelian()
 
Copy content oscar:is_abelian(G)
 
Copy content comment:Determine if the group G is cyclic
 
Copy content magma:IsCyclic(G);
 
Copy content gap:IsCyclic(G);
 
Copy content sage:G.is_cyclic()
 
Copy content sage_gap:G.IsCyclic()
 
Copy content oscar:is_cyclic(G)
 
Copy content comment:Determine if the group G is nilpotent
 
Copy content magma:IsNilpotent(G);
 
Copy content gap:IsNilpotentGroup(G);
 
Copy content sage:G.is_nilpotent()
 
Copy content sage_gap:G.IsNilpotentGroup()
 
Copy content oscar:is_nilpotent(G)
 
Copy content comment:Determine if the group G is solvable
 
Copy content magma:IsSolvable(G);
 
Copy content gap:IsSolvableGroup(G);
 
Copy content sage:G.is_solvable()
 
Copy content sage_gap:G.IsSolvableGroup()
 
Copy content oscar:is_solvable(G)
 
Copy content comment:Determine if the group G is supersolvable
 
Copy content gap:IsSupersolvableGroup(G);
 
Copy content sage:G.is_supersolvable()
 
Copy content sage_gap:G.IsSupersolvableGroup()
 
Copy content oscar:is_supersolvable(G)
 
Copy content comment:Determine if the group G is simple
 
Copy content magma:IsSimple(G);
 
Copy content gap:IsSimpleGroup(G);
 
Copy content sage:G.is_simple()
 
Copy content sage_gap:G.IsSimpleGroup()
 
Copy content oscar:is_simple(G)
 

Group statistics

Copy content comment:Compute statistics for the group G
 
Copy content magma:// 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;
 
Copy content gap:# Gap code to output the first two rows of the group statistics table element_orders := List(Elements(G), g -> Order(g)); orders := Set(element_orders); Print("Orders: ", orders, "\n"); element_counts := List(orders, n -> Length(Filtered(element_orders, x -> x = n))); Print("Elements: ", element_counts, " ", Size(G), "\n"); cc_orders := List(ConjugacyClasses(G), cc -> Order(Representative(cc))); cc_counts := List(orders, n -> Length(Filtered(cc_orders, x -> x = n))); Print("Conjugacy classes: ", cc_counts, " ", Length(ConjugacyClasses(G)), "\n");
 
Copy content sage:# 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))
 
Copy content sage_gap:# Sage code (using the GAP interface) to output the first two rows of the group statistics table element_orders = [g.Order() for g in G.Elements()] orders = sorted(list(set(element_orders))) print("Orders:", orders) print("Elements:", [element_orders.count(n) for n in orders], G.Order()) cc_orders = [cc.Representative().Order() for cc in G.ConjugacyClasses()] print("Conjugacy classes:", [cc_orders.count(n) for n in orders], len(cc_orders))
 
Copy content oscar:# 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))
 

Order 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144
Elements 1 75 8 84 168 192 72 240 288 648 672 1296 576 4320 1728 10368
Conjugacy classes   1 3 5 8 15 28 39 52 4 117 200 444 8 1752 24 2700
Divisions 1 3 3 5 8 9 7 15 1 20 29 39 1 77 1 219
Autjugacy classes 1 3 3 4 7 6 5 10 1 11 16 16 1 26 1 111

Minimal presentations

Permutation degree:$34$
Transitive degree:$144$
Rank: $2$
Inequivalent generating pairs: not computed

Minimal degrees of faithful linear representations

Over $\mathbb{C}$ Over $\mathbb{R}$ Over $\mathbb{Q}$
Irreducible 2 not computed not computed
Arbitrary not computed not computed not computed

Constructions

Show commands: Gap / Magma / Oscar / SageMath


Groups of Lie type:$\GOrthPlus(2,73)$
Copy content magma:G := COPlus(2,73);
 
Presentation: $\langle a, b, c \mid a^{2}=b^{72}=c^{72}=[a,c]=[b,c]=1, b^{a}=b^{71}c^{17} \rangle$ Copy content Toggle raw display
Copy content comment:Define the group with the given generators and relations
 
Copy content magma:G := PCGroup([11, -2, -2, -2, -2, -3, -3, -2, -2, -2, -3, -3, 56981, 56, 166190, 90, 436835, 124, 513924, 213, 462533, 226, 260, 294, 438]); a,b,c := Explode([G.1, G.2, G.7]); AssignNames(~G, ["a", "b", "b2", "b4", "b8", "b24", "c", "c2", "c4", "c8", "c24"]);
 
Copy content gap:G := PcGroupCode(8630968720468373249133665428719312619597739619460714184068883878518911075,10368); a := G.1; b := G.2; c := G.7;
 
Copy content sage:# This uses Sage's interface to GAP, as Sage (currently) has no native support for PC groups G = gap.new('PcGroupCode(8630968720468373249133665428719312619597739619460714184068883878518911075,10368)'); a = G.1; b = G.2; c = G.7;
 
Copy content sage_gap:# This uses Sage's interface to GAP, as Sage (currently) has no native support for PC groups G = gap.new('PcGroupCode(8630968720468373249133665428719312619597739619460714184068883878518911075,10368)'); a = G.1; b = G.2; c = G.7;
 
Permutation group:Degree $34$ $\langle(1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28) \!\cdots\! \rangle$ Copy content Toggle raw display
Copy content comment:Define the group as a permutation group
 
Copy content magma:G := PermutationGroup< 34 | (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33) >;
 
Copy content gap:G := Group( (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33) );
 
Copy content sage:G = PermutationGroup(['(1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23)', '(1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24)', '(1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33)'])
 
Copy content sage_gap:G = gap.new('Group( (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33) )')
 
Copy content oscar:G = @permutation_group(34, (1,2,5,8,14,18,3,6,12)(4,10,11,9,16,17,15,13,7)(19,20,22,25,29,33,32,28)(21,24,27,31,34,30,26,23), (1,3,8)(2,6,14)(4,11,16,15,7,10,9,17,13)(5,12,18)(21,23,26,30,34,31,27,24), (1,4)(2,7)(3,9)(5,13)(6,11)(8,15)(10,12)(14,17)(16,18)(19,21)(20,23)(22,26)(24,28)(25,30)(27,32)(29,34)(31,33))
 
Matrix group:$\left\langle \left(\begin{array}{rr} 1 & 0 \\ 0 & 5 \end{array}\right), \left(\begin{array}{rr} 0 & 1 \\ 1 & 0 \end{array}\right), \left(\begin{array}{rr} 5 & 0 \\ 0 & 44 \end{array}\right) \right\rangle \subseteq \GL_{2}(\F_{73})$
Copy content comment:Define the group as a matrix group with coefficients in GLFp
 
Copy content magma:G := MatrixGroup< 2, GF(73) | [[1, 0, 0, 5], [0, 1, 1, 0], [5, 0, 0, 44]] >;
 
Copy content gap:G := Group([[[ Z(73)^0, 0*Z(73) ], [ 0*Z(73), Z(73) ]], [[ 0*Z(73), Z(73)^0 ], [ Z(73)^0, 0*Z(73) ]], [[ Z(73), 0*Z(73) ], [ 0*Z(73), Z(73)^71 ]]]);
 
Copy content sage:MS = MatrixSpace(GF(73), 2, 2) G = MatrixGroup([MS([[1, 0], [0, 5]]), MS([[0, 1], [1, 0]]), MS([[5, 0], [0, 44]])])
 
Copy content sage_gap:G = gap.new('Group([[[ Z(73)^0, 0*Z(73) ], [ 0*Z(73), Z(73) ]], [[ 0*Z(73), Z(73)^0 ], [ Z(73)^0, 0*Z(73) ]], [[ Z(73), 0*Z(73) ], [ 0*Z(73), Z(73)^71 ]]])')
 
Copy content oscar:G = matrix_group([matrix(GF(73), [[1, 0], [0, 5]]), matrix(GF(73), [[0, 1], [1, 0]]), matrix(GF(73), [[5, 0], [0, 44]])])
 
Direct product: not computed
Semidirect product: not isomorphic to a non-trivial semidirect product
Trans. wreath product: not computed
Possibly split product: $D_{72}$ . $C_{72}$ $C_{72}$ . $D_{72}$ $C_{36}^2$ . $D_4$ $C_{72}^2$ . $C_2$ all 152

Elements of the group are displayed as matrices in $\GL_{2}(\F_{73})$.

Homology

Abelianization: $C_{2} \times C_{72} \simeq C_{2} \times C_{8} \times C_{9}$
Copy content comment:The abelianization of the group
 
Copy content magma:quo< G | CommutatorSubgroup(G) >;
 
Copy content gap:FactorGroup(G, DerivedSubgroup(G));
 
Copy content sage:G.quotient(G.commutator())
 
Copy content sage_gap:G.FactorGroup(G.DerivedSubgroup())
 
Copy content oscar:quo(G, derived_subgroup(G)[1])
 
Schur multiplier: not computed
Copy content comment:The Schur multiplier of the group
 
Copy content gap:AbelianInvariantsMultiplier(G);
 
Copy content sage:G.homology(2)
 
Copy content sage_gap:G.AbelianInvariantsMultiplier()
 
Commutator length: $1$
Copy content comment:The commutator length of the group
 
Copy content gap:CommutatorLength(G);
 
Copy content sage_gap:G.CommutatorLength()
 

Subgroups

Copy content comment:List of subgroups of the group
 
Copy content magma:Subgroups(G);
 
Copy content gap:AllSubgroups(G);
 
Copy content sage:G.subgroups()
 
Copy content sage_gap:G.AllSubgroups()
 
Copy content oscar:subgroups(G)
 

There are 3308 subgroups in 709 conjugacy classes, 156 normal, and all normal subgroups are characteristic.

Characteristic subgroups are shown in this color.

Special subgroups

Center: $Z \simeq$ $C_{72}$ $G/Z \simeq$ $D_{72}$
Copy content comment:Center of the group
 
Copy content magma:Center(G);
 
Copy content gap:Center(G);
 
Copy content sage:G.center()
 
Copy content sage_gap:G.Center()
 
Copy content oscar:center(G)
 
Commutator: $G' \simeq$ $C_{72}$ $G/G' \simeq$ $C_2\times C_{72}$
Copy content comment:Commutator subgroup of the group G
 
Copy content magma:CommutatorSubgroup(G);
 
Copy content gap:DerivedSubgroup(G);
 
Copy content sage:G.commutator()
 
Copy content sage_gap:G.DerivedSubgroup()
 
Copy content oscar:derived_subgroup(G)
 
Frattini: $\Phi \simeq$ $C_{12}\times C_{24}$ $G/\Phi \simeq$ $C_6\times S_3$
Copy content comment:Frattini subgroup of the group G
 
Copy content magma:FrattiniSubgroup(G);
 
Copy content gap:FrattiniSubgroup(G);
 
Copy content sage:G.frattini_subgroup()
 
Copy content sage_gap:G.FrattiniSubgroup()
 
Copy content oscar:frattini_subgroup(G)
 
Fitting: $\operatorname{Fit} \simeq$ $C_{72}^2$ $G/\operatorname{Fit} \simeq$ $C_2$
Copy content comment:Fitting subgroup of the group G
 
Copy content magma:FittingSubgroup(G);
 
Copy content gap:FittingSubgroup(G);
 
Copy content sage:G.fitting_subgroup()
 
Copy content sage_gap:G.FittingSubgroup()
 
Copy content oscar:fitting_subgroup(G)
 
Radical: $R \simeq$ $C_{72}.D_{72}$ $G/R \simeq$ $C_1$
Copy content comment:Radical of the group G
 
Copy content magma:Radical(G);
 
Copy content gap:SolvableRadical(G);
 
Copy content sage_gap:G.SolvableRadical()
 
Copy content oscar:solvable_radical(G)
 
Socle: $\operatorname{soc} \simeq$ $C_3\times C_6$ $G/\operatorname{soc} \simeq$ $D_{12}:C_{24}$
Copy content comment:Socle of the group G
 
Copy content magma:Socle(G);
 
Copy content gap:Socle(G);
 
Copy content sage:G.socle()
 
Copy content sage_gap:G.Socle()
 
Copy content oscar:socle(G)
 
2-Sylow subgroup: $P_{ 2 } \simeq$ $C_8\wr C_2$
3-Sylow subgroup: $P_{ 3 } \simeq$ $C_9^2$

Subgroup diagram and profile

Series

Derived series $C_{72}.D_{72}$ $\rhd$ $C_{72}$ $\rhd$ $C_1$
Copy content comment:Derived series of the group G
 
Copy content magma:DerivedSeries(G);
 
Copy content gap:DerivedSeriesOfGroup(G);
 
Copy content sage:G.derived_series()
 
Copy content sage_gap:G.DerivedSeriesOfGroup()
 
Copy content oscar:derived_series(G)
 
Chief series $C_{72}.D_{72}$ $\rhd$ $C_{72}^2$ $\rhd$ $C_{36}\times C_{72}$ $\rhd$ $C_{18}\times C_{72}$ $\rhd$ $C_9\times C_{72}$ $\rhd$ $C_3\times C_{72}$ $\rhd$ $C_{72}$ $\rhd$ $C_{36}$ $\rhd$ $C_{18}$ $\rhd$ $C_9$ $\rhd$ $C_3$ $\rhd$ $C_1$
Copy content comment:Chief series of the group G
 
Copy content magma:ChiefSeries(G);
 
Copy content gap:ChiefSeries(G);
 
Copy content sage:libgap(G).ChiefSeries()
 
Copy content sage_gap:G.ChiefSeries()
 
Copy content oscar:chief_series(G)
 
Lower central series $C_{72}.D_{72}$ $\rhd$ $C_{72}$ $\rhd$ $C_{36}$ $\rhd$ $C_{18}$ $\rhd$ $C_9$
Copy content comment:The lower central series of the group G
 
Copy content magma:LowerCentralSeries(G);
 
Copy content gap:LowerCentralSeriesOfGroup(G);
 
Copy content sage:G.lower_central_series()
 
Copy content sage_gap:G.LowerCentralSeriesOfGroup()
 
Copy content oscar:lower_central_series(G)
 
Upper central series $C_1$ $\lhd$ $C_{72}$ $\lhd$ $C_2\times C_{72}$ $\lhd$ $C_4\times C_{72}$ $\lhd$ $C_8\times C_{72}$
Copy content comment:The upper central series of the group G
 
Copy content magma:UpperCentralSeries(G);
 
Copy content gap:UpperCentralSeriesOfGroup(G);
 
Copy content sage:G.upper_central_series()
 
Copy content sage_gap:G.UpperCentralSeriesOfGroup()
 
Copy content oscar:upper_central_series(G)
 

Supergroups

This group is a maximal subgroup of 5 larger groups in the database.

This group is a maximal quotient of 4 larger groups in the database.

Character theory

Copy content comment:Character table
 
Copy content magma:CharacterTable(G); // Output not guaranteed to exactly match the LMFDB table
 
Copy content gap:CharacterTable(G); # Output not guaranteed to exactly match the LMFDB table
 
Copy content sage:G.character_table() # Output not guaranteed to exactly match the LMFDB table
 
Copy content sage_gap:G.CharacterTable() # Output not guaranteed to exactly match the LMFDB table
 
Copy content oscar:character_table(G) # Output not guaranteed to exactly match the LMFDB table
 

Complex character table

The $2700 \times 2700$ character table is not available for this group.

Rational character table

The $219 \times 219$ rational character table is not available for this group.