LMFDB - Abstract group 6048.s: $A

Show commands: Gap / Magma / SageMath

comment:Define the group as a permutation group

magma:G := PermutationGroup< 13 | (1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13) >;

gap:G := Group( (1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13) );

sage:G = PermutationGroup(['(1,2)(4,5)(6,7)(8,9)(10,11,12)', '(2,3,4,6,8,7,9)(11,12,13)'])

Group information

Description:	$A_4\times \SL(2,8)$
Order:	$6048$$\medspace = 2^{5} \cdot 3^{3} \cdot 7 $	comment:Order of the group magma:Order(G); gap:Order(G); sage:G.order() sage_gap:G.Order()
Exponent:	$126$$\medspace = 2 \cdot 3^{2} \cdot 7 $	comment:Exponent of the group magma:Exponent(G); gap:Exponent(G); sage:G.exponent() sage_gap:G.Exponent()
Automorphism group:	$S_4\times {}^2G(2,3)$, of order $36288$$\medspace = 2^{6} \cdot 3^{4} \cdot 7 $	comment:Automorphism group gap:AutomorphismGroup(G); magma:AutomorphismGroup(G); sage_gap:G.AutomorphismGroup()
Composition factors:	$C_2$ x 2, $C_3$, $\SL(2,8)$	comment:Composition factors of the group magma:CompositionFactors(G); gap:CompositionSeries(G); sage:G.composition_series() sage_gap:G.CompositionSeries()
Derived length:	$2$	comment:Derived length of the group magma:DerivedLength(G); gap:DerivedLength(G); sage_gap:G.DerivedLength()

This group is nonabelian, an A-group, and nonsolvable.

comment:Determine if the group G is abelian

magma:IsAbelian(G);

gap:IsAbelian(G);

sage:G.is_abelian()

sage_gap:G.IsAbelian()

comment:Determine if the group G is cyclic

magma:IsCyclic(G);

gap:IsCyclic(G);

sage:G.is_cyclic()

sage_gap:G.IsCyclic()

comment:Determine if the group G is nilpotent

magma:IsNilpotent(G);

gap:IsNilpotentGroup(G);

sage:G.is_nilpotent()

sage_gap:G.IsNilpotentGroup()

comment:Determine if the group G is solvable

magma:IsSolvable(G);

gap:IsSolvableGroup(G);

sage:G.is_solvable()

sage_gap:G.IsSolvableGroup()

comment:Determine if the group G is supersolvable

gap:IsSupersolvableGroup(G);

sage:G.is_supersolvable()

sage_gap:G.IsSupersolvableGroup()

comment:Determine if the group G is simple

magma:IsSimple(G);

gap:IsSimpleGroup(G);

sage_gap:G.IsSimpleGroup()

Group statistics

comment:Compute statistics for the group G

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;

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");

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	6	7	9	14	18	21
Elements	1	255	512	672	216	1512	648	504	1728	6048
Conjugacy classes	1	3	5	3	3	9	3	3	6	36
Divisions	1	3	3	2	1	2	1	1	1	15
Autjugacy classes	1	3	3	2	1	2	1	1	1	15

comment:Compute statistics about the characters of G

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);

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);

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)]

sage_gap:G.CharacterDegrees()

Dimension	1	2	3	7	8	9	14	16	21	24	27	42	54	63	81
Irr. complex chars.	3	0	1	12	3	9	0	0	4	1	3	0	0	0	0	36
Irr. rational chars.	1	1	1	1	1	0	1	1	2	1	1	1	1	1	1	15

Minimal presentations

Permutation degree:	$13$
Transitive degree:	$36$
Rank:	$2$
Inequivalent generating pairs:	$568$

Minimal degrees of faithful linear representations

	Over $\mathbb{C}$	Over $\mathbb{R}$	Over $\mathbb{Q}$
Irreducible	21	21	21
Arbitrary	10	10	10

Constructions

Show commands: Gap / Magma / SageMath

Permutation group:	Degree $13$ $\langle(1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13)\rangle$ (1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13)
comment:Define the group as a permutation group magma:G := PermutationGroup< 13 \| (1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13) >; gap:G := Group( (1,2)(4,5)(6,7)(8,9)(10,11,12), (2,3,4,6,8,7,9)(11,12,13) ); sage:G = PermutationGroup(['(1,2)(4,5)(6,7)(8,9)(10,11,12)', '(2,3,4,6,8,7,9)(11,12,13)'])
Transitive group:	36T6813		more information
Direct product:	$A_4$ $\, \times\, $ $\SL(2,8)$
Semidirect product:	$(C_2^2\times \SL(2,8))$ $\,\rtimes\,$ $C_3$	$C_2^2$ $\,\rtimes\,$ $(C_3\times \SL(2,8))$	more information
Trans. wreath product:	not isomorphic to a non-trivial transitive wreath product

Elements of the group are displayed as permutations of degree 13.

Homology

Abelianization:	$C_{3} $	comment:The abelianization of the group magma:quo< G \| CommutatorSubgroup(G) >; gap:FactorGroup(G, DerivedSubgroup(G)); sage:G.quotient(G.commutator())
Schur multiplier:	$C_{2}$	comment:The Schur multiplier of the group gap:AbelianInvariantsMultiplier(G); sage:G.homology(2) sage_gap:G.AbelianInvariantsMultiplier()
Commutator length:	$1$	comment:The commutator length of the group gap:CommutatorLength(G); sage_gap:G.CommutatorLength()

Subgroups

comment:List of subgroups of the group

magma:Subgroups(G);

gap:AllSubgroups(G);

sage:G.subgroups()

sage_gap:G.AllSubgroups()

There are 7954 subgroups in 84 conjugacy classes, 6 normal, and all normal subgroups are characteristic.

Characteristic subgroups are shown in this color.

Special subgroups

Center:	$Z \simeq$ $C_1$	$G/Z \simeq$ $A_4\times \SL(2,8)$	comment:Center of the group magma:Center(G); gap:Center(G); sage:G.center() sage_gap:G.Center()
Commutator:	$G' \simeq$ $C_2^2\times \SL(2,8)$	$G/G' \simeq$ $C_3$	comment:Commutator subgroup of the group G magma:CommutatorSubgroup(G); gap:DerivedSubgroup(G); sage:G.commutator() sage_gap:G.DerivedSubgroup()
Frattini:	$\Phi \simeq$ $C_1$	$G/\Phi \simeq$ $A_4\times \SL(2,8)$	comment:Frattini subgroup of the group G magma:FrattiniSubgroup(G); gap:FrattiniSubgroup(G); sage:G.frattini_subgroup() sage_gap:G.FrattiniSubgroup()
Fitting:	$\operatorname{Fit} \simeq$ $C_2^2$	$G/\operatorname{Fit} \simeq$ $C_3\times \SL(2,8)$	comment:Fitting subgroup of the group G magma:FittingSubgroup(G); gap:FittingSubgroup(G); sage:G.fitting_subgroup() sage_gap:G.FittingSubgroup()
Radical:	$R \simeq$ $A_4$	$G/R \simeq$ $\SL(2,8)$	comment:Radical of the group G magma:Radical(G); gap:SolvableRadical(G); sage_gap:G.SolvableRadical()
Socle:	$\operatorname{soc} \simeq$ $C_2^2\times \SL(2,8)$	$G/\operatorname{soc} \simeq$ $C_3$	comment:Socle of the group G magma:Socle(G); gap:Socle(G); sage:G.socle() sage_gap:G.Socle()
2-Sylow subgroup:	$P_{ 2 } \simeq$ $C_2^5$
3-Sylow subgroup:	$P_{ 3 } \simeq$ $C_3\times C_9$
7-Sylow subgroup:	$P_{ 7 } \simeq$ $C_7$

Subgroup diagram and profile

For the default diagram, subgroups are sorted vertically by the number of prime divisors (counted with multiplicity) in their orders.
To see subgroups sorted vertically by order instead, check this box.

See a full page version of the diagram

Subgroup information

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

Series

Derived series

$A_4\times \SL(2,8)$

$\rhd$

$C_2^2\times \SL(2,8)$

$\rhd$

$\SL(2,8)$

comment:Derived series of the group GF

magma:DerivedSeries(G);

gap:DerivedSeriesOfGroup(G);

sage:G.derived_series()

sage_gap:G.DerivedSeriesOfGroup()

Chief series

$A_4\times \SL(2,8)$

$\rhd$

$A_4$

$\rhd$

$C_2^2$

$\rhd$

$C_1$

comment:Chief series of the group G

magma:ChiefSeries(G);

gap:ChiefSeries(G);

sage_gap:G.ChiefSeries()

Lower central series

$A_4\times \SL(2,8)$

$\rhd$

$C_2^2\times \SL(2,8)$

comment:The lower central series of the group G

magma:LowerCentralSeries(G);

gap:LowerCentralSeriesOfGroup(G);

sage:G.lower_central_series()

sage_gap:G.LowerCentralSeriesOfGroup()

Upper central series

$C_1$

comment:The upper central series of the group G

magma:UpperCentralSeries(G);

gap:UpperCentralSeriesOfGroup(G);

sage:G.upper_central_series()

sage_gap:G.UpperCentralSeriesOfGroup()

Supergroups

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

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

Character theory

comment:Character table

magma:CharacterTable(G); // Output not guaranteed to exactly match the LMFDB table

gap:CharacterTable(G); # Output not guaranteed to exactly match the LMFDB table

sage:G.character_table() # Output not guaranteed to exactly match the LMFDB table

sage_gap:G.CharacterTable() # Output not guaranteed to exactly match the LMFDB table

Complex character table

See the $36 \times 36$ character table. Alternatively, you may search for characters of this group with desired properties.

Rational character table

		1A	2A	2B	2C	3A	3B	3C	6A	6B	7A	9A	9B	14A	18A	21A
	Size	1	3	63	189	8	56	448	168	504	216	168	1344	648	504	1728
	2 P	1A	1A	1A	1A	3A	3B	3C	3B	3A	7A	9A	9B	7A	9A	21A
	3 P	1A	2A	2B	2C	1A	1A	1A	2A	2B	7A	3B	3B	14A	6A	7A
	7 P	1A	2A	2B	2C	3A	3B	3C	6A	6B	1A	9A	9B	2A	18A	3A
6048.s.1a		$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$	$1$
6048.s.1b		$2$	$2$	$2$	$2$	$- 1$	$2$	$- 1$	$2$	$- 1$	$2$	$2$	$- 1$	$2$	$2$	$- 1$
6048.s.3a		$3$	$- 1$	$3$	$- 1$	$0$	$3$	$0$	$- 1$	$0$	$3$	$3$	$0$	$- 1$	$- 1$	$0$
6048.s.7a		$7$	$7$	$- 1$	$- 1$	$7$	$- 2$	$- 2$	$- 2$	$- 1$	$0$	$1$	$1$	$0$	$1$	$0$
6048.s.7b		$14$	$14$	$- 2$	$- 2$	$- 7$	$- 4$	$2$	$- 4$	$1$	$0$	$2$	$- 1$	$0$	$2$	$0$
6048.s.7c		$21$	$21$	$- 3$	$- 3$	$21$	$3$	$3$	$3$	$- 3$	$0$	$0$	$0$	$0$	$0$	$0$
6048.s.7d		$42$	$42$	$- 6$	$- 6$	$- 21$	$6$	$- 3$	$6$	$3$	$0$	$0$	$0$	$0$	$0$	$0$
6048.s.8a		$8$	$8$	$0$	$0$	$8$	$- 1$	$- 1$	$- 1$	$0$	$1$	$- 1$	$- 1$	$1$	$- 1$	$1$
6048.s.8b		$16$	$16$	$0$	$0$	$- 8$	$- 2$	$1$	$- 2$	$0$	$2$	$- 2$	$1$	$2$	$- 2$	$- 1$
6048.s.9a		$27$	$27$	$3$	$3$	$27$	$0$	$0$	$0$	$3$	$- 1$	$0$	$0$	$- 1$	$0$	$- 1$
6048.s.9b		$54$	$54$	$6$	$6$	$- 27$	$0$	$0$	$0$	$- 3$	$- 2$	$0$	$0$	$- 2$	$0$	$1$
6048.s.21a		$21$	$- 7$	$- 3$	$1$	$0$	$- 6$	$0$	$2$	$0$	$0$	$3$	$0$	$0$	$- 1$	$0$
6048.s.21b		$63$	$- 21$	$- 9$	$3$	$0$	$9$	$0$	$- 3$	$0$	$0$	$0$	$0$	$0$	$0$	$0$
6048.s.24a		$24$	$- 8$	$0$	$0$	$0$	$- 3$	$0$	$1$	$0$	$3$	$- 3$	$0$	$- 1$	$1$	$0$
6048.s.27a		$81$	$- 27$	$9$	$- 3$	$0$	$0$	$0$	$0$	$0$	$- 3$	$0$	$0$	$1$	$0$	$0$

Overview	Random
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Classical	Maass
Hilbert	Bianchi

Elliptic curves over $\Q$
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Higher genus families
Abelian varieties over $\F_{q}$
Belyi maps

Label	6048.s
Order	\( 2^{5} \cdot 3^{3} \cdot 7 \)
Exponent	\( 2 \cdot 3^{2} \cdot 7 \)

Nilpotent	no
Solvable	no
$\card{G^{\mathrm{ab}}}$	\( 3 \)
$\card{Z(G)}$	\( 1 \)
$\card{\Aut(G)}$	\( 2^{6} \cdot 3^{4} \cdot 7 \)
$\card{\mathrm{Out}(G)}$	\( 2 \cdot 3 \)
Perm deg.	$13$
Trans deg.	$36$
Rank	$2$

Introduction

L-functions

Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

Related objects

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Group information

Group statistics

Minimal presentations

Minimal degrees of faithful linear representations

Constructions

Homology

Subgroups

Special subgroups

Subgroup diagram and profile

Classes of subgroups up to conjugation

Classes of subgroups up to automorphism

Normal subgroups

Normal subgroups up to automorphism

Subgroup information

Classes of subgroups up to conjugation

Classes of subgroups up to automorphism

Normal subgroups (quotient in parentheses)

Normal subgroups up to automorphism (quotient in parentheses)

Series

Supergroups

Character theory

Complex character table

Rational character table

This project is supported by grants from the US National Science Foundation, the UK Engineering and Physical Sciences Research Council, and the Simons Foundation.