Properties

Label 2413320.a
Order \( 2^{3} \cdot 3 \cdot 5 \cdot 7 \cdot 13^{2} \cdot 17 \)
Exponent \( 2^{2} \cdot 3 \cdot 5 \cdot 7 \cdot 13 \cdot 17 \)
Simple yes
$\card{G^{\mathrm{ab}}}$ \( 1 \)
$\card{Z(G)}$ \( 1 \)
$\card{\Aut(G)}$ \( 2^{5} \cdot 3 \cdot 5 \cdot 7 \cdot 13^{2} \cdot 17 \)
$\card{\mathrm{Out}(G)}$ \( 2^{2} \)
Perm deg. $170$
Trans deg. $170$
Rank $2$

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Show commands: Gap / Magma / SageMath

Copy content magma:G := PSL(2, 169);
 
Copy content gap:G := PSL(2, 169);
 
Copy content sage:G = PSL(2, 169)
 
Copy content comment:Define the group as a permutation group
 

Group information

Description:$\PSL(2,169)$
Order: \(2413320\)\(\medspace = 2^{3} \cdot 3 \cdot 5 \cdot 7 \cdot 13^{2} \cdot 17 \)
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: \(92820\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \cdot 7 \cdot 13 \cdot 17 \)
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:$\PSL(2,169).C_2^2$, of order \(9653280\)\(\medspace = 2^{5} \cdot 3 \cdot 5 \cdot 7 \cdot 13^{2} \cdot 17 \)
Copy content comment:Automorphism group
 
Copy content gap:AutomorphismGroup(G);
 
Copy content magma:AutomorphismGroup(G);
 
Copy content sage_gap:G.AutomorphismGroup()
 
Composition factors:$\PSL(2,169)$
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:$0$
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 simple (hence nonsolvable, perfect, quasisimple, and almost simple).

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 12 13 14 17 21 28 42 84 85
Elements 1 14365 28730 28730 56784 28730 86190 57460 28560 86190 227136 172380 172380 172380 344760 908544 2413320
Conjugacy classes   1 1 1 1 2 1 3 2 2 3 8 6 6 6 12 32 87
Divisions 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 17
Autjugacy classes 1 1 1 1 1 1 3 2 1 3 4 3 3 3 6 16 50

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 85 168 169 170 336 340 510 1020 1344 2040 5376
Irr. complex chars.   1 2 42 1 41 0 0 0 0 0 0 0 87
Irr. rational chars. 1 2 0 1 3 1 1 2 3 1 1 1 17

Minimal presentations

Permutation degree:$170$
Transitive degree:$170$
Rank: $2$
Inequivalent generating pairs: $598703$

Minimal degrees of faithful linear representations

Over $\mathbb{C}$ Over $\mathbb{R}$ Over $\mathbb{Q}$
Irreducible 85 85 85
Arbitrary 85 85 85

Constructions

Show commands: Gap / Magma / SageMath


Groups of Lie type:$\PSL(2,169)$, $\PSU(2,169)$, $\Omega(3,169)$, $\OmegaMinus(4,13)$, $\PSOMinus(4,13)$, $\POmega(3,169)$, $\POmegaMinus(4,13)$
Permutation group:Degree $170$ $\langle(1,2,3)(4,7,8)(5,9,11)(6,13,14)(10,21,23)(12,27,28)(15,34,35)(16,36,38) \!\cdots\! \rangle$ Copy content Toggle raw display
Copy content comment:Define the group as a permutation group
 
Copy content magma:G := PermutationGroup< 170 | (1,2,3)(4,7,8)(5,9,11)(6,13,14)(10,21,23)(12,27,28)(15,34,35)(16,36,38)(17,26,40)(18,41,42)(19,44,45)(20,46,48)(22,51,52)(24,56,57)(25,58,59)(29,64,65)(30,66,68)(31,69,70)(32,71,73)(33,74,75)(37,80,81)(39,84,85)(43,86,87)(47,89,90)(49,92,93)(50,83,94)(53,99,100)(54,101,88)(55,103,104)(60,110,97)(61,111,112)(62,114,109)(63,108,115)(67,78,79)(72,113,125)(76,129,95)(77,102,116)(82,128,138)(91,118,144)(96,147,133)(98,106,107)(105,130,140)(117,158,139)(119,148,132)(120,149,153)(121,161,131)(122,135,162)(124,142,163)(126,143,164)(127,165,166)(134,156,167)(136,168,152)(137,170,150)(141,157,159)(146,154,169)(151,160,155), (2,4,6,12,26,42,64,97,52,96,85,139,103,150,123,71,102,54,23,53,98,125,131,78,35,50,21,49,91,143,92,101,86,140,165,144,95,51,36,79,132,156,110,155,153,106,57,28,62,113,159,128,75,65,73,124,72,32,14,31,58,107,154,118,67,30,13,29,63,93,145,136,81,135,89,61,27,60,88,44,48,22,10,5)(7,15,33,18,8,17,39,83,117,66,116,142,87,141,120,68,119,160,134,80,133,166,170,163,164,168,157,111,104,151,167,149,99,148,127,74,126,115,100,122,70,47,20,9,19,43,25,11,24,55,45,46,38,82,137,169,146,94,90,114,147,162,130,77,34,76,109,59,108,138,158,112,129,84,69,121,161,152,105,56,40,41,37,16) >;
 
Copy content gap:G := Group( (1,2,3)(4,7,8)(5,9,11)(6,13,14)(10,21,23)(12,27,28)(15,34,35)(16,36,38)(17,26,40)(18,41,42)(19,44,45)(20,46,48)(22,51,52)(24,56,57)(25,58,59)(29,64,65)(30,66,68)(31,69,70)(32,71,73)(33,74,75)(37,80,81)(39,84,85)(43,86,87)(47,89,90)(49,92,93)(50,83,94)(53,99,100)(54,101,88)(55,103,104)(60,110,97)(61,111,112)(62,114,109)(63,108,115)(67,78,79)(72,113,125)(76,129,95)(77,102,116)(82,128,138)(91,118,144)(96,147,133)(98,106,107)(105,130,140)(117,158,139)(119,148,132)(120,149,153)(121,161,131)(122,135,162)(124,142,163)(126,143,164)(127,165,166)(134,156,167)(136,168,152)(137,170,150)(141,157,159)(146,154,169)(151,160,155), (2,4,6,12,26,42,64,97,52,96,85,139,103,150,123,71,102,54,23,53,98,125,131,78,35,50,21,49,91,143,92,101,86,140,165,144,95,51,36,79,132,156,110,155,153,106,57,28,62,113,159,128,75,65,73,124,72,32,14,31,58,107,154,118,67,30,13,29,63,93,145,136,81,135,89,61,27,60,88,44,48,22,10,5)(7,15,33,18,8,17,39,83,117,66,116,142,87,141,120,68,119,160,134,80,133,166,170,163,164,168,157,111,104,151,167,149,99,148,127,74,126,115,100,122,70,47,20,9,19,43,25,11,24,55,45,46,38,82,137,169,146,94,90,114,147,162,130,77,34,76,109,59,108,138,158,112,129,84,69,121,161,152,105,56,40,41,37,16) );
 
Copy content sage:G = PermutationGroup(['(1,2,3)(4,7,8)(5,9,11)(6,13,14)(10,21,23)(12,27,28)(15,34,35)(16,36,38)(17,26,40)(18,41,42)(19,44,45)(20,46,48)(22,51,52)(24,56,57)(25,58,59)(29,64,65)(30,66,68)(31,69,70)(32,71,73)(33,74,75)(37,80,81)(39,84,85)(43,86,87)(47,89,90)(49,92,93)(50,83,94)(53,99,100)(54,101,88)(55,103,104)(60,110,97)(61,111,112)(62,114,109)(63,108,115)(67,78,79)(72,113,125)(76,129,95)(77,102,116)(82,128,138)(91,118,144)(96,147,133)(98,106,107)(105,130,140)(117,158,139)(119,148,132)(120,149,153)(121,161,131)(122,135,162)(124,142,163)(126,143,164)(127,165,166)(134,156,167)(136,168,152)(137,170,150)(141,157,159)(146,154,169)(151,160,155)', '(2,4,6,12,26,42,64,97,52,96,85,139,103,150,123,71,102,54,23,53,98,125,131,78,35,50,21,49,91,143,92,101,86,140,165,144,95,51,36,79,132,156,110,155,153,106,57,28,62,113,159,128,75,65,73,124,72,32,14,31,58,107,154,118,67,30,13,29,63,93,145,136,81,135,89,61,27,60,88,44,48,22,10,5)(7,15,33,18,8,17,39,83,117,66,116,142,87,141,120,68,119,160,134,80,133,166,170,163,164,168,157,111,104,151,167,149,99,148,127,74,126,115,100,122,70,47,20,9,19,43,25,11,24,55,45,46,38,82,137,169,146,94,90,114,147,162,130,77,34,76,109,59,108,138,158,112,129,84,69,121,161,152,105,56,40,41,37,16)'])
 
Direct product: not isomorphic to a non-trivial direct product
Semidirect product: not isomorphic to a non-trivial semidirect product
Trans. wreath product: not isomorphic to a non-trivial transitive wreath product

Elements of the group are displayed as equivalence classes (represented by square brackets) of matrices in $\SL(2,169)$.

Homology

Abelianization: $C_1 $
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: 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()
 

There are 2782197 subgroups in 71 conjugacy classes, 2 normal, and all normal subgroups are characteristic.

Characteristic subgroups are shown in this color.

Special subgroups

Center: $Z \simeq$ $C_1$ $G/Z \simeq$ $\PSL(2,169)$
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: $G' \simeq$ $\PSL(2,169)$ $G/G' \simeq$ $C_1$
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: $\Phi \simeq$ $C_1$ $G/\Phi \simeq$ $\PSL(2,169)$
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: $\operatorname{Fit} \simeq$ $C_1$ $G/\operatorname{Fit} \simeq$ $\PSL(2,169)$
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: $R \simeq$ $C_1$ $G/R \simeq$ $\PSL(2,169)$
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: $\operatorname{soc} \simeq$ $\PSL(2,169)$ $G/\operatorname{soc} \simeq$ $C_1$
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: $P_{ 2 } \simeq$ $D_4$
3-Sylow subgroup: $P_{ 3 } \simeq$ $C_3$
5-Sylow subgroup: $P_{ 5 } \simeq$ $C_5$
7-Sylow subgroup: $P_{ 7 } \simeq$ $C_7$
13-Sylow subgroup: $P_{ 13 } \simeq$ $C_{13}^2$
17-Sylow subgroup: $P_{ 17 } \simeq$ $C_{17}$

Subgroup diagram and profile

For the default diagram, subgroups are sorted vertically by the number of prime divisors (counted with multiplicity) in their orders.
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Subgroup information

Click on a subgroup in the diagram to see information about it.

Series

Derived series $\PSL(2,169)$
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 $\PSL(2,169)$ $\rhd$ $C_1$
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 $\PSL(2,169)$
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 $C_1$
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()
 

Supergroups

This group is a maximal subgroup of 2 larger groups in the database.

This group is a maximal quotient of 1 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
 

Complex character table

See the $87 \times 87$ character table. Alternatively, you may search for characters of this group with desired properties.

Rational character table

See the $17 \times 17$ rational character table.