Properties

Label 16T49
16T49 1 4 1->4 12 1->12 2 3 2->3 11 2->11 5 3->5 10 3->10 6 4->6 9 4->9 7 5->7 16 5->16 8 6->8 15 6->15 7->1 14 7->14 8->2 13 8->13 9->7 9->12 10->8 10->11 11->6 11->13 12->5 12->14 13->4 13->15 14->3 14->16 15->1 15->9 16->2 16->10
Degree $16$
Order $32$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group yes
Group: $C_8.C_4$

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Copy content magma:G := TransitiveGroup(16, 49);
 

Group invariants

Abstract group:  $C_8.C_4$
Copy content magma:IdentifyGroup(G);
 
Order:  $32=2^{5}$
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:  $3$
Copy content magma:NilpotencyClass(G);
 

Group action invariants

Degree $n$:  $16$
Copy content magma:t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $49$
Copy content magma:t, n := TransitiveGroupIdentification(G); t;
 
Parity:  $1$
Copy content magma:IsEven(G);
 
Primitive:  no
Copy content magma:IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $8$
Copy content magma:Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  $(1,4,6,8,2,3,5,7)(9,12,14,16,10,11,13,15)$, $(1,12,5,16,2,11,6,15)(3,10,8,13,4,9,7,14)$
Copy content magma:Generators(G);
 

Low degree resolvents

$\card{(G/N)}$Galois groups for stem field(s)
$2$:  $C_2$ x 3
$4$:  $C_4$ x 2, $C_2^2$
$8$:  $D_{4}$, $C_4\times C_2$, $Q_8$
$16$:  $C_4:C_4$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$ x 3

Degree 4: $C_2^2$

Degree 8: $Q_8$

Low degree siblings

32T28

Siblings are shown 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 $2^{8}$ $1$ $2$ $8$ $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$
2B $2^{4},1^{8}$ $2$ $2$ $4$ $( 9,10)(11,12)(13,14)(15,16)$
4A1 $4^{4}$ $1$ $4$ $12$ $( 1, 5, 2, 6)( 3, 8, 4, 7)( 9,14,10,13)(11,15,12,16)$
4A-1 $4^{4}$ $1$ $4$ $12$ $( 1, 6, 2, 5)( 3, 7, 4, 8)( 9,13,10,14)(11,16,12,15)$
4B $4^{4}$ $2$ $4$ $12$ $( 1, 6, 2, 5)( 3, 7, 4, 8)( 9,14,10,13)(11,15,12,16)$
8A1 $8^{2}$ $2$ $8$ $14$ $( 1, 4, 6, 8, 2, 3, 5, 7)( 9,12,14,16,10,11,13,15)$
8A3 $8^{2}$ $2$ $8$ $14$ $( 1, 3, 6, 7, 2, 4, 5, 8)( 9,11,14,15,10,12,13,16)$
8B1 $8^{2}$ $2$ $8$ $14$ $( 1, 7, 5, 3, 2, 8, 6, 4)( 9,16,13,12,10,15,14,11)$
8B-1 $8^{2}$ $2$ $8$ $14$ $( 1, 8, 5, 4, 2, 7, 6, 3)( 9,15,13,11,10,16,14,12)$
8C1 $8^{2}$ $4$ $8$ $14$ $( 1,12, 5,16, 2,11, 6,15)( 3,10, 8,13, 4, 9, 7,14)$
8C-1 $8^{2}$ $4$ $8$ $14$ $( 1,16, 6,12, 2,15, 5,11)( 3,13, 7,10, 4,14, 8, 9)$
8D1 $8^{2}$ $4$ $8$ $14$ $( 1,14, 5,10, 2,13, 6, 9)( 3,11, 8,15, 4,12, 7,16)$
8D-1 $8^{2}$ $4$ $8$ $14$ $( 1,10, 6,14, 2, 9, 5,13)( 3,15, 7,11, 4,16, 8,12)$

Malle's constant $a(G)$:     $1/4$

Copy content magma:ConjugacyClasses(G);
 

Character table

1A 2A 2B 4A1 4A-1 4B 8A1 8A3 8B1 8B-1 8C1 8C-1 8D1 8D-1
Size 1 1 2 1 1 2 2 2 2 2 4 4 4 4
2 P 1A 1A 1A 2A 2A 2A 4B 4B 4B 4B 4A1 4A-1 4A1 4A-1
Type
32.15.1a R 1 1 1 1 1 1 1 1 1 1 1 1 1 1
32.15.1b R 1 1 1 1 1 1 1 1 1 1 1 1 1 1
32.15.1c R 1 1 1 1 1 1 1 1 1 1 1 1 1 1
32.15.1d R 1 1 1 1 1 1 1 1 1 1 1 1 1 1
32.15.1e1 C 1 1 1 1 1 1 1 1 1 1 i i i i
32.15.1e2 C 1 1 1 1 1 1 1 1 1 1 i i i i
32.15.1f1 C 1 1 1 1 1 1 1 1 1 1 i i i i
32.15.1f2 C 1 1 1 1 1 1 1 1 1 1 i i i i
32.15.2a R 2 2 2 2 2 2 0 0 0 0 0 0 0 0
32.15.2b S 2 2 2 2 2 2 0 0 0 0 0 0 0 0
32.15.2c1 C 2 2 0 2ζ82 2ζ82 0 ζ81ζ8 ζ81+ζ8 ζ8+ζ83 ζ8ζ83 0 0 0 0
32.15.2c2 C 2 2 0 2ζ82 2ζ82 0 ζ81ζ8 ζ81+ζ8 ζ8ζ83 ζ8+ζ83 0 0 0 0
32.15.2c3 C 2 2 0 2ζ82 2ζ82 0 ζ81+ζ8 ζ81ζ8 ζ8ζ83 ζ8+ζ83 0 0 0 0
32.15.2c4 C 2 2 0 2ζ82 2ζ82 0 ζ81+ζ8 ζ81ζ8 ζ8+ζ83 ζ8ζ83 0 0 0 0

Copy content magma:CharacterTable(G);
 

Regular extensions

Data not computed