Properties

Label 16T576
Degree $16$
Order $256$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group yes
Group: $(C_2\times C_4^2).D_4$

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Show commands: Magma

magma: G := TransitiveGroup(16, 576);
 

Group action invariants

Degree $n$:  $16$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $576$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Group:  $(C_2\times C_4^2).D_4$
Parity:  $1$
magma: IsEven(G);
 
Primitive:  no
magma: IsPrimitive(G);
 
magma: NilpotencyClass(G);
 
$\card{\Aut(F/K)}$:  $4$
magma: Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  (1,11,15,6,2,12,16,5)(3,9,14,8,4,10,13,7), (1,11)(2,12)(3,9)(4,10)(5,13,6,14)(7,15,8,16)
magma: Generators(G);
 

Low degree resolvents

$\card{(G/N)}$Galois groups for stem field(s)
$2$:  $C_2$ x 3
$4$:  $C_4$ x 6, $C_2^2$
$8$:  $D_{4}$ x 3, $C_4\times C_2$ x 3, $Q_8$
$16$:  $C_2^2:C_4$ x 3, $C_4^2$, $C_4:C_4$ x 3
$32$:  $C_2^3 : C_4 $ x 2, 32T41
$64$:  $((C_8 : C_2):C_2):C_2$, 16T77, 16T140
$128$:  32T1313

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 4: $D_{4}$

Degree 8: $C_2^3 : C_4 $

Low degree siblings

16T576 x 3, 32T2837 x 2, 32T2838 x 4, 32T6868 x 2

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 $2^{4},1^{8}$ $2$ $2$ $4$ $( 1, 2)( 3, 4)(13,14)(15,16)$
2C $2^{4},1^{8}$ $4$ $2$ $4$ $( 1, 2)( 3, 4)( 9,10)(11,12)$
2D $2^{8}$ $8$ $2$ $8$ $( 1,14)( 2,13)( 3,16)( 4,15)( 5,10)( 6, 9)( 7,11)( 8,12)$
2E $2^{8}$ $8$ $2$ $8$ $( 1,13)( 2,14)( 3,15)( 4,16)( 5,12)( 6,11)( 7,10)( 8, 9)$
4A1 $4^{4}$ $1$ $4$ $12$ $( 1, 3, 2, 4)( 5, 7, 6, 8)( 9,12,10,11)(13,15,14,16)$
4A-1 $4^{4}$ $1$ $4$ $12$ $( 1, 4, 2, 3)( 5, 8, 6, 7)( 9,11,10,12)(13,16,14,15)$
4B $4^{4}$ $2$ $4$ $12$ $( 1, 3, 2, 4)( 5, 8, 6, 7)( 9,11,10,12)(13,15,14,16)$
4C $4^{2},2^{2},1^{4}$ $4$ $4$ $8$ $( 1, 4, 2, 3)( 9,10)(11,12)(13,16,14,15)$
4D $4^{2},2^{4}$ $4$ $4$ $10$ $( 1, 2)( 3, 4)( 5, 8, 6, 7)( 9,12,10,11)(13,14)(15,16)$
4E $4^{2},2^{2},1^{4}$ $4$ $4$ $8$ $( 1, 3, 2, 4)( 5, 6)( 7, 8)(13,15,14,16)$
4F1 $4^{4}$ $4$ $4$ $12$ $( 1, 4, 2, 3)( 5, 7, 6, 8)( 9,11,10,12)(13,15,14,16)$
4F-1 $4^{2},1^{8}$ $4$ $4$ $6$ $( 5, 7, 6, 8)( 9,11,10,12)$
4G $4^{4}$ $8$ $4$ $12$ $( 1,15, 2,16)( 3,14, 4,13)( 5,12, 6,11)( 7,10, 8, 9)$
4H $4^{4}$ $8$ $4$ $12$ $( 1,15, 2,16)( 3,14, 4,13)( 5,10, 6, 9)( 7,11, 8,12)$
4I1 $4^{2},2^{4}$ $16$ $4$ $10$ $( 1, 6, 2, 5)( 3, 8, 4, 7)( 9,15)(10,16)(11,13)(12,14)$
4I-1 $4^{2},2^{4}$ $16$ $4$ $10$ $( 1, 7)( 2, 8)( 3, 6)( 4, 5)( 9,13,10,14)(11,16,12,15)$
8A1 $8^{2}$ $8$ $8$ $14$ $( 1, 8, 4, 6, 2, 7, 3, 5)( 9,15,11,13,10,16,12,14)$
8A-1 $8,4,2^{2}$ $8$ $8$ $12$ $( 1,13, 3,15, 2,14, 4,16)( 5, 6)( 7, 8)( 9,12,10,11)$
8B1 $8^{2}$ $8$ $8$ $14$ $( 1, 8, 3, 5, 2, 7, 4, 6)( 9,16,12,13,10,15,11,14)$
8B-1 $8^{2}$ $8$ $8$ $14$ $( 1, 5, 3, 7, 2, 6, 4, 8)( 9,14,12,16,10,13,11,15)$
8C1 $8,4,2^{2}$ $8$ $8$ $12$ $( 1,13, 3,15, 2,14, 4,16)( 5, 7, 6, 8)( 9,10)(11,12)$
8C-1 $8,4,1^{4}$ $8$ $8$ $10$ $( 1,14, 3,16, 2,13, 4,15)( 5, 8, 6, 7)$
8D1 $8,4,2^{2}$ $8$ $8$ $12$ $( 1,15, 4,13, 2,16, 3,14)( 5, 6)( 7, 8)( 9,11,10,12)$
8D-1 $8,4,2^{2}$ $8$ $8$ $12$ $( 1,15, 4,13, 2,16, 3,14)( 5, 8, 6, 7)( 9,10)(11,12)$
8E1 $8^{2}$ $8$ $8$ $14$ $( 1, 5, 4, 8, 2, 6, 3, 7)( 9,13,11,16,10,14,12,15)$
8E-1 $8,4,1^{4}$ $8$ $8$ $10$ $( 1,16, 4,14, 2,15, 3,13)( 5, 7, 6, 8)$
8F1 $8,4,1^{4}$ $8$ $8$ $10$ $( 1,14, 3,16, 2,13, 4,15)( 9,11,10,12)$
8F-1 $8,4,1^{4}$ $8$ $8$ $10$ $( 1,16, 4,14, 2,15, 3,13)( 9,12,10,11)$
8G1 $8^{2}$ $16$ $8$ $14$ $( 1, 7,16,10, 2, 8,15, 9)( 3, 6,13,11, 4, 5,14,12)$
8G-1 $8^{2}$ $16$ $8$ $14$ $( 1, 5,15,11, 2, 6,16,12)( 3, 7,14, 9, 4, 8,13,10)$
8H1 $8^{2}$ $16$ $8$ $14$ $( 1, 6,14, 9, 2, 5,13,10)( 3, 8,16,12, 4, 7,15,11)$
8H-1 $8^{2}$ $16$ $8$ $14$ $( 1, 8,13,11, 2, 7,14,12)( 3, 5,15, 9, 4, 6,16,10)$

Malle's constant $a(G)$:     $1/4$

magma: ConjugacyClasses(G);
 

Group invariants

Order:  $256=2^{8}$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  yes
magma: IsSolvable(G);
 
Nilpotency class:  $5$
Label:  256.480
magma: IdentifyGroup(G);
 
Character table:    34 x 34 character table

magma: CharacterTable(G);