Properties

Label 27T20
Degree $27$
Order $81$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group yes
Group: $C_3.\He_3$

Related objects

Downloads

Learn more

Show commands: Magma

magma: G := TransitiveGroup(27, 20);
 

Group action invariants

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

Degree 9: $C_3^2:C_3$

Low degree siblings

27T26

Siblings are shown with degree $\leq 47$

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

Conjugacy classes

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

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:  81.8
magma: IdentifyGroup(G);
 
Character table:

1A 3A1 3A-1 3B1 3B-1 3C1 3C-1 9A1 9A-1 9A2 9A-2 9A4 9A-4 9B1 9B-1 9C1 9C-1
Size 1 1 1 3 3 9 9 3 3 3 3 3 3 9 9 9 9
3 P 1A 3A-1 3A1 3B-1 3B1 3C-1 3C1 9A2 9A4 9A-2 9A1 9A-1 9A-4 9B-1 9B1 9C-1 9C1
Type
81.8.1a R 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
81.8.1b1 C 1 1 1 1 1 ζ31 ζ3 ζ3 ζ31 ζ31 ζ3 ζ3 ζ31 ζ31 ζ3 1 1
81.8.1b2 C 1 1 1 1 1 ζ3 ζ31 ζ31 ζ3 ζ3 ζ31 ζ31 ζ3 ζ3 ζ31 1 1
81.8.1c1 C 1 1 1 1 1 ζ31 ζ3 ζ31 ζ3 ζ3 ζ31 ζ31 ζ3 1 1 ζ31 ζ3
81.8.1c2 C 1 1 1 1 1 ζ3 ζ31 ζ3 ζ31 ζ31 ζ3 ζ3 ζ31 1 1 ζ3 ζ31
81.8.1d1 C 1 1 1 1 1 ζ31 ζ3 1 1 1 1 1 1 ζ3 ζ31 ζ3 ζ31
81.8.1d2 C 1 1 1 1 1 ζ3 ζ31 1 1 1 1 1 1 ζ31 ζ3 ζ31 ζ3
81.8.1e1 C 1 1 1 1 1 1 1 ζ31 ζ3 ζ3 ζ31 ζ31 ζ3 ζ31 ζ3 ζ3 ζ31
81.8.1e2 C 1 1 1 1 1 1 1 ζ3 ζ31 ζ31 ζ3 ζ3 ζ31 ζ3 ζ31 ζ31 ζ3
81.8.3a1 C 3 3 3 3ζ31 3ζ3 0 0 0 0 0 0 0 0 0 0 0 0
81.8.3a2 C 3 3 3 3ζ3 3ζ31 0 0 0 0 0 0 0 0 0 0 0 0
81.8.3b1 C 3 3ζ93 3ζ93 0 0 0 0 2ζ94+ζ92 ζ9+ζ94 2ζ9+ζ94 ζ942ζ92 ζ94+ζ92 ζ92ζ94 0 0 0 0
81.8.3b2 C 3 3ζ93 3ζ93 0 0 0 0 ζ9+ζ94 2ζ94+ζ92 ζ942ζ92 2ζ9+ζ94 ζ92ζ94 ζ94+ζ92 0 0 0 0
81.8.3b3 C 3 3ζ93 3ζ93 0 0 0 0 ζ942ζ92 2ζ9+ζ94 ζ92ζ94 ζ94+ζ92 2ζ94+ζ92 ζ9+ζ94 0 0 0 0
81.8.3b4 C 3 3ζ93 3ζ93 0 0 0 0 2ζ9+ζ94 ζ942ζ92 ζ94+ζ92 ζ92ζ94 ζ9+ζ94 2ζ94+ζ92 0 0 0 0
81.8.3b5 C 3 3ζ93 3ζ93 0 0 0 0 ζ94+ζ92 ζ92ζ94 ζ9+ζ94 2ζ94+ζ92 ζ942ζ92 2ζ9+ζ94 0 0 0 0
81.8.3b6 C 3 3ζ93 3ζ93 0 0 0 0 ζ92ζ94 ζ94+ζ92 2ζ94+ζ92 ζ9+ζ94 2ζ9+ζ94 ζ942ζ92 0 0 0 0

magma: CharacterTable(G);