Properties

Label 16T7
16T7 1 6 1->6 14 1->14 15 1->15 2 5 2->5 13 2->13 16 2->16 3 3->5 8 3->8 3->15 4 4->6 7 4->7 4->16 5->4 10 5->10 6->3 9 6->9 7->3 7->10 12 7->12 8->4 8->9 11 8->11 9->5 9->7 9->14 10->6 10->8 10->13 11->14 11->16 12->13 12->15 13->1 13->11 14->2 14->12 15->2 15->11 16->1 16->12
Degree $16$
Order $16$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group yes
Group: $Q_8\times C_2$

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Copy content magma:G := TransitiveGroup(16, 7);
 

Group invariants

Abstract group:  $Q_8\times C_2$
Copy content magma:IdentifyGroup(G);
 
Order:  $16=2^{4}$
Copy content magma:Order(G);
 
Cyclic:  no
Copy content magma:IsCyclic(G);
 
Abelian:  no
Copy content magma:IsAbelian(G);
 
Solvable:  yes
Copy content magma:IsSolvable(G);
 
Nilpotency class:  $2$
Copy content magma:NilpotencyClass(G);
 

Group action invariants

Degree $n$:  $16$
Copy content magma:t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $7$
Copy content magma:t, n := TransitiveGroupIdentification(G); t;
 
Parity:  $1$
Copy content magma:IsEven(G);
 
Primitive:  no
Copy content magma:IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $16$
Copy content magma:Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  $(1,14,2,13)(3,8,4,7)(5,10,6,9)(11,16,12,15)$, $(1,15,2,16)(3,5,4,6)(7,10,8,9)(11,14,12,13)$, $(1,6)(2,5)(3,15)(4,16)(7,12)(8,11)(9,14)(10,13)$
Copy content magma:Generators(G);
 

Low degree resolvents

$\card{(G/N)}$Galois groups for stem field(s)
$2$:  $C_2$ x 7
$4$:  $C_2^2$ x 7
$8$:  $C_2^3$, $Q_8$ x 2

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$ x 7

Degree 4: $C_2^2$ x 7

Degree 8: $C_2^3$, $Q_8$ x 2

Low degree siblings

There are no siblings with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.

Conjugacy classes

LabelCycle TypeSizeOrderIndexRepresentative
1A $1^{16}$ $1$ $1$ $0$ $()$
2A $2^{8}$ $1$ $2$ $8$ $( 1, 6)( 2, 5)( 3,15)( 4,16)( 7,12)( 8,11)( 9,14)(10,13)$
2B $2^{8}$ $1$ $2$ $8$ $( 1, 5)( 2, 6)( 3,16)( 4,15)( 7,11)( 8,12)( 9,13)(10,14)$
2C $2^{8}$ $1$ $2$ $8$ $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$
4A $4^{4}$ $2$ $4$ $12$ $( 1,14, 2,13)( 3, 8, 4, 7)( 5,10, 6, 9)(11,16,12,15)$
4B $4^{4}$ $2$ $4$ $12$ $( 1,15, 2,16)( 3, 5, 4, 6)( 7,10, 8, 9)(11,14,12,13)$
4C $4^{4}$ $2$ $4$ $12$ $( 1,11, 2,12)( 3,10, 4, 9)( 5, 7, 6, 8)(13,16,14,15)$
4D $4^{4}$ $2$ $4$ $12$ $( 1, 9, 2,10)( 3,11, 4,12)( 5,13, 6,14)( 7,15, 8,16)$
4E $4^{4}$ $2$ $4$ $12$ $( 1, 3, 2, 4)( 5,16, 6,15)( 7,13, 8,14)( 9,12,10,11)$
4F $4^{4}$ $2$ $4$ $12$ $( 1, 8, 2, 7)( 3,13, 4,14)( 5,12, 6,11)( 9,15,10,16)$

Malle's constant $a(G)$:     $1/8$

Copy content magma:ConjugacyClasses(G);
 

Character table

1A 2A 2B 2C 4A 4B 4C 4D 4E 4F
Size 1 1 1 1 2 2 2 2 2 2
2 P 1A 1A 1A 1A 2C 2C 2C 2C 2C 2C
Type
16.12.1a R 1 1 1 1 1 1 1 1 1 1
16.12.1b R 1 1 1 1 1 1 1 1 1 1
16.12.1c R 1 1 1 1 1 1 1 1 1 1
16.12.1d R 1 1 1 1 1 1 1 1 1 1
16.12.1e R 1 1 1 1 1 1 1 1 1 1
16.12.1f R 1 1 1 1 1 1 1 1 1 1
16.12.1g R 1 1 1 1 1 1 1 1 1 1
16.12.1h R 1 1 1 1 1 1 1 1 1 1
16.12.2a S 2 2 2 2 0 0 0 0 0 0
16.12.2b S 2 2 2 2 0 0 0 0 0 0

Copy content magma:CharacterTable(G);
 

Regular extensions

Data not computed