Properties

Label 28T34
28T34 1 11 1->11 26 1->26 2 12 2->12 25 2->25 3 8 3->8 18 3->18 4 7 4->7 17 4->17 5 5->1 15 5->15 6 6->2 16 6->16 7->11 21 7->21 8->12 22 8->22 9 9->5 19 9->19 10 10->6 20 10->20 11->15 11->25 12->16 12->26 13 13->10 23 13->23 14 14->9 24 14->24 15->2 15->19 16->1 16->20 17->14 27 17->27 18->13 28 18->28 19->6 19->24 20->5 20->23 21->3 21->17 22->4 22->18 23->9 23->28 24->10 24->27 25->8 25->21 26->7 26->22 27->3 27->13 28->4 28->14
Degree $28$
Order $196$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group no
Group: $C_7\times D_{14}$

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Show commands: Magma

Copy content magma:G := TransitiveGroup(28, 34);
 

Group invariants

Abstract group:  $C_7\times D_{14}$
Copy content magma:IdentifyGroup(G);
 
Order:  $196=2^{2} \cdot 7^{2}$
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:   not nilpotent
Copy content magma:NilpotencyClass(G);
 

Group action invariants

Degree $n$:  $28$
Copy content magma:t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $34$
Copy content magma:t, n := TransitiveGroupIdentification(G); t;
 
Parity:  $1$
Copy content magma:IsEven(G);
 
Primitive:  no
Copy content magma:IsPrimitive(G);
 
$\card{\Aut(F/K)}$:  $14$
Copy content magma:Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  $(1,26,22,18,13,10,6,2,25,21,17,14,9,5)(3,8,12,16,20,23,28,4,7,11,15,19,24,27)$, $(1,11,25,8,22,4,17,27,13,23,9,19,6,16)(2,12,26,7,21,3,18,28,14,24,10,20,5,15)$
Copy content magma:Generators(G);
 

Low degree resolvents

$\card{(G/N)}$Galois groups for stem field(s)
$2$:  $C_2$ x 3
$4$:  $C_2^2$
$7$:  $C_7$
$14$:  $D_{7}$, $C_{14}$ x 3
$28$:  $D_{14}$, 28T2
$98$:  $C_7 \wr C_2$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$ x 3

Degree 4: $C_2^2$

Degree 7: None

Degree 14: $C_7 \wr C_2$

Low degree siblings

28T34 x 2

Siblings are shown with degree $\leq 47$

A number field with this Galois group has no arithmetically equivalent fields.

Conjugacy classes

Conjugacy classes not computed

Copy content magma:ConjugacyClasses(G);
 

Character table

70 x 70 character table

Copy content magma:CharacterTable(G);
 

Regular extensions

Data not computed