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Properties

Label 40T30
Degree $40$
Order $80$
Cyclic no
Abelian no
Solvable yes
Primitive no
$p$-group no
Group: $D_{10}:C_4$

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Show commands: Magma

magma: G := TransitiveGroup(40, 30);
 

Group action invariants

Degree $n$:  $40$
magma: t, n := TransitiveGroupIdentification(G); n;
 
Transitive number $t$:  $30$
magma: t, n := TransitiveGroupIdentification(G); t;
 
Group:  $D_{10}:C_4$
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:  (1,7,3,5)(2,8,4,6)(9,37,11,39)(10,38,12,40)(13,36,16,33)(14,35,15,34)(17,29,19,31)(18,30,20,32)(21,26,23,28)(22,25,24,27), (1,19)(2,20)(3,17)(4,18)(5,13)(6,14)(7,16)(8,15)(9,10)(11,12)(21,38)(22,37)(23,40)(24,39)(25,36)(26,35)(27,33)(28,34)
magma: Generators(G);
 

Low degree resolvents

|G/N|Galois groups for stem field(s)
$2$:  $C_2$ x 3
$4$:  $C_4$ x 2, $C_2^2$
$8$:  $D_{4}$ x 2, $C_4\times C_2$
$10$:  $D_{5}$
$16$:  $C_2^2:C_4$
$20$:  $D_{10}$
$40$:  20T6, 20T7, $D_{20}$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 4: $C_4$, $D_{4}$ x 2

Degree 5: $D_{5}$

Degree 8: $C_2^2:C_4$

Degree 10: $D_{10}$

Degree 20: 20T6, 20T7, $D_{20}$

Low degree siblings

40T30

Siblings are shown 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $1$ $1$ $()$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1 $ $10$ $2$ $( 5,37)( 6,38)( 7,39)( 8,40)( 9,34)(10,33)(11,35)(12,36)(13,29)(14,30)(15,32) (16,31)(17,27)(18,28)(19,25)(20,26)(21,22)(23,24)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $1$ $2$ $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22) (23,24)(25,26)(27,28)(29,30)(31,32)(33,34)(35,36)(37,38)(39,40)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $1$ $2$ $( 1, 3)( 2, 4)( 5, 7)( 6, 8)( 9,11)(10,12)(13,16)(14,15)(17,19)(18,20)(21,23) (22,24)(25,27)(26,28)(29,31)(30,32)(33,36)(34,35)(37,39)(38,40)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $10$ $2$ $( 1, 3)( 2, 4)( 5,39)( 6,40)( 7,37)( 8,38)( 9,35)(10,36)(11,34)(12,33)(13,31) (14,32)(15,30)(16,29)(17,25)(18,26)(19,27)(20,28)(21,24)(22,23)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $1$ $2$ $( 1, 4)( 2, 3)( 5, 8)( 6, 7)( 9,12)(10,11)(13,15)(14,16)(17,20)(18,19)(21,24) (22,23)(25,28)(26,27)(29,32)(30,31)(33,35)(34,36)(37,40)(38,39)$
$ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 5, 3, 7)( 2, 6, 4, 8)( 9,39,11,37)(10,40,12,38)(13,33,16,36)(14,34,15,35) (17,31,19,29)(18,32,20,30)(21,28,23,26)(22,27,24,25)$
$ 20, 20 $ $2$ $20$ $( 1, 5, 9,15,20,21,27,31,36,38, 4, 8,12,13,17,24,26,30,34,39)( 2, 6,10,16,19, 22,28,32,35,37, 3, 7,11,14,18,23,25,29,33,40)$
$ 20, 20 $ $2$ $20$ $( 1, 6, 9,16,20,22,27,32,36,37, 4, 7,12,14,17,23,26,29,34,40)( 2, 5,10,15,19, 21,28,31,35,38, 3, 8,11,13,18,24,25,30,33,39)$
$ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 7, 3, 5)( 2, 8, 4, 6)( 9,37,11,39)(10,38,12,40)(13,36,16,33)(14,35,15,34) (17,29,19,31)(18,30,20,32)(21,26,23,28)(22,25,24,27)$
$ 20, 20 $ $2$ $20$ $( 1, 7, 9,14,20,23,27,29,36,40, 4, 6,12,16,17,22,26,32,34,37)( 2, 8,10,13,19, 24,28,30,35,39, 3, 5,11,15,18,21,25,31,33,38)$
$ 20, 20 $ $2$ $20$ $( 1, 8, 9,13,20,24,27,30,36,39, 4, 5,12,15,17,21,26,31,34,38)( 2, 7,10,14,19, 23,28,29,35,40, 3, 6,11,16,18,22,25,32,33,37)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1, 9,20,27,36, 4,12,17,26,34)( 2,10,19,28,35, 3,11,18,25,33)( 5,15,21,31,38, 8,13,24,30,39)( 6,16,22,32,37, 7,14,23,29,40)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1,10,20,28,36, 3,12,18,26,33)( 2, 9,19,27,35, 4,11,17,25,34)( 5,16,21,32,38, 7,13,23,30,40)( 6,15,22,31,37, 8,14,24,29,39)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1,11,20,25,36, 2,12,19,26,35)( 3, 9,18,27,33, 4,10,17,28,34)( 5,14,21,29,38, 6,13,22,30,37)( 7,15,23,31,40, 8,16,24,32,39)$
$ 5, 5, 5, 5, 5, 5, 5, 5 $ $2$ $5$ $( 1,12,20,26,36)( 2,11,19,25,35)( 3,10,18,28,33)( 4, 9,17,27,34) ( 5,13,21,30,38)( 6,14,22,29,37)( 7,16,23,32,40)( 8,15,24,31,39)$
$ 20, 20 $ $2$ $20$ $( 1,13,27,39,12,21,34, 8,20,30, 4,15,26,38, 9,24,36, 5,17,31)( 2,14,28,40,11, 22,33, 7,19,29, 3,16,25,37,10,23,35, 6,18,32)$
$ 20, 20 $ $2$ $20$ $( 1,14,27,40,12,22,34, 7,20,29, 4,16,26,37, 9,23,36, 6,17,32)( 2,13,28,39,11, 21,33, 8,19,30, 3,15,25,38,10,24,35, 5,18,31)$
$ 20, 20 $ $2$ $20$ $( 1,15,27,38,12,24,34, 5,20,31, 4,13,26,39, 9,21,36, 8,17,30)( 2,16,28,37,11, 23,33, 6,19,32, 3,14,25,40,10,22,35, 7,18,29)$
$ 20, 20 $ $2$ $20$ $( 1,16,27,37,12,23,34, 6,20,32, 4,14,26,40, 9,22,36, 7,17,29)( 2,15,28,38,11, 24,33, 5,19,31, 3,13,25,39,10,21,35, 8,18,30)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1,17,36, 9,26, 4,20,34,12,27)( 2,18,35,10,25, 3,19,33,11,28)( 5,24,38,15,30, 8,21,39,13,31)( 6,23,37,16,29, 7,22,40,14,32)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1,18,36,10,26, 3,20,33,12,28)( 2,17,35, 9,25, 4,19,34,11,27)( 5,23,38,16,30, 7,21,40,13,32)( 6,24,37,15,29, 8,22,39,14,31)$
$ 10, 10, 10, 10 $ $2$ $10$ $( 1,19,36,11,26, 2,20,35,12,25)( 3,17,33, 9,28, 4,18,34,10,27)( 5,22,38,14,30, 6,21,37,13,29)( 7,24,40,15,32, 8,23,39,16,31)$
$ 5, 5, 5, 5, 5, 5, 5, 5 $ $2$ $5$ $( 1,20,36,12,26)( 2,19,35,11,25)( 3,18,33,10,28)( 4,17,34, 9,27) ( 5,21,38,13,30)( 6,22,37,14,29)( 7,23,40,16,32)( 8,24,39,15,31)$
$ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 $ $2$ $4$ $( 1,21, 4,24)( 2,22, 3,23)( 5,27, 8,26)( 6,28, 7,25)( 9,31,12,30)(10,32,11,29) (13,34,15,36)(14,33,16,35)(17,39,20,38)(18,40,19,37)$
$ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 $ $2$ $4$ $( 1,23, 4,22)( 2,24, 3,21)( 5,25, 8,28)( 6,26, 7,27)( 9,29,12,32)(10,30,11,31) (13,35,15,33)(14,36,16,34)(17,37,20,40)(18,38,19,39)$

magma: ConjugacyClasses(G);
 

Group invariants

Order:  $80=2^{4} \cdot 5$
magma: Order(G);
 
Cyclic:  no
magma: IsCyclic(G);
 
Abelian:  no
magma: IsAbelian(G);
 
Solvable:  yes
magma: IsSolvable(G);
 
Nilpotency class:   not nilpotent
Label:  80.14
magma: IdentifyGroup(G);
 
Character table: not available.

magma: CharacterTable(G);