Properties

Label 80640.cj
Order \( 2^{8} \cdot 3^{2} \cdot 5 \cdot 7 \)
Exponent \( 2^{3} \cdot 3 \cdot 5 \cdot 7 \)
Nilpotent no
Solvable no
$\card{G^{\mathrm{ab}}}$ \( 2^{2} \)
$\card{Z(G)}$ \( 2^{2} \)
$\card{\Aut(G)}$ \( 2^{9} \cdot 3^{2} \cdot 5 \cdot 7 \)
$\card{\mathrm{Out}(G)}$ \( 2^{3} \)
Perm deg. $31$
Trans deg. $168$
Rank $2$

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Copy content comment:Define the group as a permutation group
 
Copy content magma:G := PermutationGroup< 31 | (1,3,5)(2,4,7), (1,2)(4,6), (8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31), (8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24) >;
 
Copy content gap:G := Group( (1,3,5)(2,4,7), (1,2)(4,6), (8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31), (8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24) );
 
Copy content sage:G = PermutationGroup(['(1,3,5)(2,4,7)', '(1,2)(4,6)', '(8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31)', '(8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24)'])
 

Group information

Description:$\GL(2,5)\times \GL(3,2)$
Order: \(80640\)\(\medspace = 2^{8} \cdot 3^{2} \cdot 5 \cdot 7 \)
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()
 
Exponent: \(840\)\(\medspace = 2^{3} \cdot 3 \cdot 5 \cdot 7 \)
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()
 
Automorphism group:$C_2^2\times \PSL(2,7).S_5.C_2$, of order \(161280\)\(\medspace = 2^{9} \cdot 3^{2} \cdot 5 \cdot 7 \)
Copy content comment:Automorphism group
 
Copy content gap:AutomorphismGroup(G);
 
Copy content magma:AutomorphismGroup(G);
 
Copy content sage_gap:G.AutomorphismGroup()
 
Composition factors:$C_2$ x 3, $A_5$, $\PSL(2,7)$
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()
 
Derived length:$1$
Copy content comment:Derived length of the group
 
Copy content magma:DerivedLength(G);
 
Copy content gap:DerivedLength(G);
 
Copy content sage_gap:G.DerivedLength()
 

This group is nonabelian and nonsolvable.

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 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 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 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 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 comment:Determine if the group G is simple
 
Copy content magma:IsSimple(G);
 
Copy content gap:IsSimpleGroup(G);
 
Copy content sage_gap:G.IsSimpleGroup()
 

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))
 

Order 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 42 56 60 70 84 140 168
Elements 1 703 1196 11072 24 3716 48 2560 1032 14992 1488 1344 5088 960 11840 7296 1344 1152 960 1920 2688 1152 1920 2304 3840 80640
Conjugacy classes   1 5 3 24 1 6 2 6 3 17 4 1 8 2 18 14 1 2 2 4 2 2 4 4 8 144
Divisions 1 5 3 15 1 6 1 3 3 10 2 1 5 1 5 4 1 1 1 1 1 1 1 1 1 75
Autjugacy classes 1 5 3 12 1 6 1 3 3 9 2 1 5 1 5 3 1 1 1 1 1 1 1 1 1 70

Copy content comment:Compute statistics about the characters of G
 
Copy content magma:// 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 CharacterDegrees(G);
 
Copy content gap:# 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 CharacterDegrees(G);
 
Copy content sage:# 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)]
 
Copy content sage_gap:G.CharacterDegrees()
 

Dimension 1 2 3 4 5 6 7 8 10 12 14 15 16 18 24 28 30 32 35 36 40 42 48 56 60 64 70 72 80 84 96 112 128
Irr. complex chars.   4 0 8 10 4 10 4 4 0 20 0 8 0 12 10 10 4 10 4 6 4 6 6 0 0 0 0 0 0 0 0 0 0 144
Irr. rational chars. 2 1 0 2 2 6 2 4 1 4 1 0 2 0 4 2 4 2 2 4 2 2 6 2 2 2 1 4 1 2 4 1 1 75

Minimal presentations

Permutation degree:$31$
Transitive degree:$168$
Rank: $2$
Inequivalent generating pairs: $12996$

Minimal degrees of faithful linear representations

Over $\mathbb{C}$ Over $\mathbb{R}$ Over $\mathbb{Q}$
Irreducible 12 24 48
Arbitrary not computed not computed not computed

Constructions

Show commands: Gap / Magma / SageMath


Permutation group:Degree $31$ $\langle(1,3,5)(2,4,7), (1,2)(4,6), (8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21) \!\cdots\! \rangle$ Copy content Toggle raw display
Copy content comment:Define the group as a permutation group
 
Copy content magma:G := PermutationGroup< 31 | (1,3,5)(2,4,7), (1,2)(4,6), (8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31), (8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24) >;
 
Copy content gap:G := Group( (1,3,5)(2,4,7), (1,2)(4,6), (8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31), (8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24) );
 
Copy content sage:G = PermutationGroup(['(1,3,5)(2,4,7)', '(1,2)(4,6)', '(8,10,14)(9,12,17)(11,16,15)(13,19,24)(18,22,21)(20,26,30)(23,29,25)(27,28,31)', '(8,9,11,15)(10,13,18,14)(16,20,25,29)(17,21,27,30)(19,23,28,24)'])
 
Direct product: $\PSL(2,7)$ $\, \times\, $ $\GL(2,5)$
Semidirect product: $\SL(2,5)$ $\,\rtimes\,$ $(C_4\times \GL(3,2))$ $(\SL(2,5)\times \PSL(2,7))$ $\,\rtimes\,$ $C_4$ more information
Trans. wreath product: not isomorphic to a non-trivial transitive wreath product
Non-split product: $(C_4\times \GL(3,2))$ . $S_5$ $C_4$ . $(S_5\times \GL(3,2))$ $(C_4.\PSL(2,7).A_5)$ . $C_2$ $C_2$ . $(\PSL(2,7)\times A_5:C_4)$ all 6
Aut. group: $\Aut(C_2\times C_{10}^2)$

Elements of the group are displayed as permutations of degree 31.

Homology

Abelianization: $C_{4} $
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())
 
Schur multiplier: $C_{2}$
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()
 

There are 347281 subgroups in 1643 conjugacy classes, 12 normal, and all normal subgroups are characteristic.

Characteristic subgroups are shown in this color.

Special subgroups

Center: $Z \simeq$ $C_4$ $G/Z \simeq$ $S_5\times \GL(3,2)$
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()
 
Commutator: $G' \simeq$ $\SL(2,5)\times \PSL(2,7)$ $G/G' \simeq$ $C_4$
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()
 
Frattini: $\Phi \simeq$ $C_4$ $G/\Phi \simeq$ $S_5\times \GL(3,2)$
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()
 
Fitting: $\operatorname{Fit} \simeq$ $C_4$ $G/\operatorname{Fit} \simeq$ $S_5\times \GL(3,2)$
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()
 
Radical: $R \simeq$ $C_4$ $G/R \simeq$ $S_5\times \GL(3,2)$
Copy content comment:Radical of the group G
 
Copy content magma:Radical(G);
 
Copy content gap:SolvableRadical(G);
 
Copy content sage_gap:G.SolvableRadical()
 
Socle: $\operatorname{soc} \simeq$ $C_2\times \GL(3,2)$ $G/\operatorname{soc} \simeq$ $A_5:C_4$
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()
 
2-Sylow subgroup: $P_{ 2 } \simeq$ $D_4^2:C_4$
3-Sylow subgroup: $P_{ 3 } \simeq$ $C_3^2$
5-Sylow subgroup: $P_{ 5 } \simeq$ $C_5$
7-Sylow subgroup: $P_{ 7 } \simeq$ $C_7$

Subgroup diagram and profile

Series

Derived series $\GL(2,5)\times \GL(3,2)$ $\rhd$ $\SL(2,5)\times \PSL(2,7)$
Copy content comment:Derived series of the group GF
 
Copy content magma:DerivedSeries(G);
 
Copy content gap:DerivedSeriesOfGroup(G);
 
Copy content sage:G.derived_series()
 
Copy content sage_gap:G.DerivedSeriesOfGroup()
 
Chief series $\GL(2,5)\times \GL(3,2)$ $\rhd$ $C_4.\PSL(2,7).A_5$ $\rhd$ $C_4\times \GL(3,2)$ $\rhd$ $C_4$ $\rhd$ $C_2$ $\rhd$ $C_1$
Copy content comment:Chief series of the group G
 
Copy content magma:ChiefSeries(G);
 
Copy content gap:ChiefSeries(G);
 
Copy content sage_gap:G.ChiefSeries()
 
Lower central series $\GL(2,5)\times \GL(3,2)$ $\rhd$ $\SL(2,5)\times \PSL(2,7)$
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()
 
Upper central series $C_1$ $\lhd$ $C_4$
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()
 

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
 

Complex character table

See the $144 \times 144$ character table (warning: may be slow to load). Alternatively, you may search for characters of this group with desired properties.

Rational character table

See the $75 \times 75$ rational character table.