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Properties

Label 27T25
Degree $27$
Order $81$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group yes
Group: $C_3.\He_3$

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Show commands: Magma

magma: G := TransitiveGroup(27, 25);
 

Group action invariants

Degree $n$:  $27$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $25$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Group:  $C_3.\He_3$
Parity:  $1$
magma: IsEven(G);
 
Primitive:  no
magma: IsPrimitive(G);
 
magma: NilpotencyClass(G);
 
$\card{\Aut(F/K)}$:  $9$
magma: Order(Centralizer(SymmetricGroup(n), G));
 
Generators:  (1,13,22,3,15,24,2,14,23)(4,16,27,6,18,26,5,17,25)(7,10,19,9,12,21,8,11,20), (1,4,7,2,5,8,3,6,9)(10,13,18,11,14,16,12,15,17)(19,23,25,20,24,26,21,22,27)
magma: Generators(G);
 

Low degree resolvents

|G/N|Galois groups for stem field(s)
$3$:  $C_3$ x 4
$9$:  $C_3^2$
$27$:  $C_3^2:C_3$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 3: $C_3$ x 4

Degree 9: $C_3^2$

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

Cycle TypeSizeOrderRepresentative
$ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $1$ $1$ $()$
$ 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $3$ $3$ $(10,11,12)(13,14,15)(16,17,18)(19,21,20)(22,24,23)(25,27,26)$
$ 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $3$ $3$ $(10,12,11)(13,15,14)(16,18,17)(19,20,21)(22,23,24)(25,26,27)$
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ $1$ $3$ $( 1, 2, 3)( 4, 5, 6)( 7, 8, 9)(10,11,12)(13,14,15)(16,17,18)(19,20,21) (22,23,24)(25,26,27)$
$ 3, 3, 3, 3, 3, 3, 3, 3, 3 $ $1$ $3$ $( 1, 3, 2)( 4, 6, 5)( 7, 9, 8)(10,12,11)(13,15,14)(16,18,17)(19,21,20) (22,24,23)(25,27,26)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 4, 7, 2, 5, 8, 3, 6, 9)(10,13,18,11,14,16,12,15,17)(19,23,25,20,24,26,21, 22,27)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 4, 7, 2, 5, 8, 3, 6, 9)(10,15,16,11,13,17,12,14,18)(19,24,27,20,22,25,21, 23,26)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 5, 9, 2, 6, 7, 3, 4, 8)(10,13,18,11,14,16,12,15,17)(19,22,26,20,23,27,21, 24,25)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 7, 5, 3, 9, 4, 2, 8, 6)(10,16,13,12,18,15,11,17,14)(19,27,22,21,26,24,20, 25,23)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 7, 5, 3, 9, 4, 2, 8, 6)(10,17,15,12,16,14,11,18,13)(19,26,23,21,25,22,20, 27,24)$
$ 9, 9, 9 $ $3$ $9$ $( 1, 8, 4, 3, 7, 6, 2, 9, 5)(10,16,13,12,18,15,11,17,14)(19,26,23,21,25,22,20, 27,24)$
$ 9, 9, 9 $ $9$ $9$ $( 1,10,25, 3,12,27, 2,11,26)( 4,14,20, 6,13,19, 5,15,21)( 7,17,24, 9,16,23, 8, 18,22)$
$ 9, 9, 9 $ $9$ $9$ $( 1,13,22, 3,15,24, 2,14,23)( 4,16,27, 6,18,26, 5,17,25)( 7,10,19, 9,12,21, 8, 11,20)$
$ 9, 9, 9 $ $9$ $9$ $( 1,16,21, 3,18,20, 2,17,19)( 4,10,22, 6,12,24, 5,11,23)( 7,14,27, 9,13,26, 8, 15,25)$
$ 9, 9, 9 $ $9$ $9$ $( 1,19,17, 2,20,18, 3,21,16)( 4,23,11, 5,24,12, 6,22,10)( 7,25,15, 8,26,13, 9, 27,14)$
$ 9, 9, 9 $ $9$ $9$ $( 1,22,14, 2,23,15, 3,24,13)( 4,27,17, 5,25,18, 6,26,16)( 7,19,11, 8,20,12, 9, 21,10)$
$ 9, 9, 9 $ $9$ $9$ $( 1,25,11, 2,26,12, 3,27,10)( 4,20,15, 5,21,13, 6,19,14)( 7,24,18, 8,22,16, 9, 23,17)$

magma: ConjugacyClasses(G);
 

Group invariants

Order:  $81=3^{4}$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  yes
magma: IsSolvable(G);
 
Nilpotency class:  $3$
Label:  81.10
magma: IdentifyGroup(G);
 
Character table:    
      3  4  3  3  4  4  3  3  3  3  3  3  2  2  2  2  2  2

        1a 3a 3b 3c 3d 9a 9b 9c 9d 9e 9f 9g 9h 9i 9j 9k 9l
     2P 1a 3b 3a 3d 3c 9e 9d 9f 9c 9b 9a 9l 9k 9j 9i 9h 9g
     3P 1a 1a 1a 1a 1a 3c 3c 3c 3d 3d 3d 3d 3d 3d 3c 3c 3c
     5P 1a 3b 3a 3d 3c 9f 9e 9d 9b 9a 9c 9l 9k 9j 9i 9h 9g
     7P 1a 3a 3b 3c 3d 9c 9a 9b 9e 9f 9d 9g 9h 9i 9j 9k 9l

X.1      1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
X.2      1  1  1  1  1  1  1  1  1  1  1  B  B  B /B /B /B
X.3      1  1  1  1  1  1  1  1  1  1  1 /B /B /B  B  B  B
X.4      1  1  1  1  1  B  B  B /B /B /B  1  B /B  B /B  1
X.5      1  1  1  1  1 /B /B /B  B  B  B  1 /B  B /B  B  1
X.6      1  1  1  1  1  B  B  B /B /B /B  B /B  1  1  B /B
X.7      1  1  1  1  1 /B /B /B  B  B  B /B  B  1  1 /B  B
X.8      1  1  1  1  1  B  B  B /B /B /B /B  1  B /B  1  B
X.9      1  1  1  1  1 /B /B /B  B  B  B  B  1 /B  B  1 /B
X.10     3  A /A  3  3  .  .  .  .  .  .  .  .  .  .  .  .
X.11     3 /A  A  3  3  .  .  .  .  .  .  .  .  .  .  .  .
X.12     3  .  . /A  A  C  D  E /C /E /D  .  .  .  .  .  .
X.13     3  .  . /A  A  D  E  C /D /C /E  .  .  .  .  .  .
X.14     3  .  . /A  A  E  C  D /E /D /C  .  .  .  .  .  .
X.15     3  .  .  A /A /C /D /E  C  E  D  .  .  .  .  .  .
X.16     3  .  .  A /A /E /C /D  E  D  C  .  .  .  .  .  .
X.17     3  .  .  A /A /D /E /C  D  C  E  .  .  .  .  .  .

A = 3*E(3)
  = (-3+3*Sqrt(-3))/2 = 3b3
B = E(3)^2
  = (-1-Sqrt(-3))/2 = -1-b3
C = -E(9)^2-2*E(9)^5
D = -E(9)^2+E(9)^5
E = 2*E(9)^2+E(9)^5

magma: CharacterTable(G);