↑

Properties

Label 20T94
Order \(400\)
n \(20\)
Cyclic No
Abelian No
Solvable Yes
Primitive No
$p$-group No
Group: $D_5^2:C_4$

Related objects

Learn more about

Group action invariants

Degree $n$ :  $20$
Transitive number $t$ :  $94$
Group :  $D_5^2:C_4$
Parity:  $-1$
Primitive:  No
Nilpotency class:  $-1$ (not nilpotent)
Generators:  (1,17)(2,18)(3,16,7,20,11)(4,15,8,19,12)(5,13)(6,14)(9,10), (1,3,18,20)(2,4,17,19)(5,8,14,15)(6,7,13,16)(9,11)(10,12)
$|\Aut(F/K)|$:  $2$

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, $C_4\times C_2$
16:  $C_2^2:C_4$
200:  $D_5^2 : C_2$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 4: $D_{4}$

Degree 5: None

Degree 10: $D_5^2 : C_2$

Low degree siblings

20T93 x 2, 20T94, 20T95 x 2, 40T330 x 2, 40T335, 40T337, 40T339, 40T341, 40T364, 40T367, 40T372 x 2

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 $ $1$ $1$ $()$
$ 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1 $ $25$ $2$ $( 5,17)( 6,18)( 7,20)( 8,19)( 9,13)(10,14)(11,16)(12,15)$
$ 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $10$ $2$ $( 3, 4)( 7,19)( 8,20)(11,15)(12,16)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1 $ $10$ $2$ $( 3, 4)( 5,17)( 6,18)( 7, 8)( 9,13)(10,14)(11,12)(15,16)(19,20)$
$ 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $4$ $5$ $( 3, 7,11,16,20)( 4, 8,12,15,19)$
$ 10, 2, 2, 2, 2, 1, 1 $ $20$ $10$ $( 3, 8,11,15,20, 4, 7,12,16,19)( 5,17)( 6,18)( 9,13)(10,14)$
$ 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $4$ $5$ $( 3,11,20, 7,16)( 4,12,19, 8,15)$
$ 10, 2, 2, 2, 2, 1, 1 $ $20$ $10$ $( 3,12,20, 8,16, 4,11,19, 7,15)( 5,17)( 6,18)( 9,13)(10,14)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $1$ $2$ $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $25$ $2$ $( 1, 2)( 3, 4)( 5,18)( 6,17)( 7,19)( 8,20)( 9,14)(10,13)(11,15)(12,16)$
$ 5, 5, 2, 2, 2, 2, 2 $ $20$ $10$ $( 1, 2)( 3, 7,11,16,20)( 4, 8,12,15,19)( 5,18)( 6,17)( 9,14)(10,13)$
$ 10, 2, 2, 2, 2, 2 $ $4$ $10$ $( 1, 2)( 3, 8,11,15,20, 4, 7,12,16,19)( 5, 6)( 9,10)(13,14)(17,18)$
$ 5, 5, 2, 2, 2, 2, 2 $ $20$ $10$ $( 1, 2)( 3,11,20, 7,16)( 4,12,19, 8,15)( 5,18)( 6,17)( 9,14)(10,13)$
$ 10, 2, 2, 2, 2, 2 $ $4$ $10$ $( 1, 2)( 3,12,20, 8,16, 4,11,19, 7,15)( 5, 6)( 9,10)(13,14)(17,18)$
$ 4, 4, 4, 4, 2, 2 $ $50$ $4$ $( 1, 3)( 2, 4)( 5, 8,17,19)( 6, 7,18,20)( 9,11,13,16)(10,12,14,15)$
$ 4, 4, 4, 4, 2, 2 $ $50$ $4$ $( 1, 3)( 2, 4)( 5,19,17, 8)( 6,20,18, 7)( 9,16,13,11)(10,15,14,12)$
$ 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 3, 2, 4)( 5, 8, 6, 7)( 9,11,10,12)(13,16,14,15)(17,19,18,20)$
$ 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 3, 2, 4)( 5,19, 6,20)( 7,17, 8,18)( 9,16,10,15)(11,14,12,13)$
$ 20 $ $20$ $20$ $( 1, 3, 5, 8, 9,11,14,15,18,20, 2, 4, 6, 7,10,12,13,16,17,19)$
$ 20 $ $20$ $20$ $( 1, 3, 5,19, 9,16,14,12,18, 7, 2, 4, 6,20,10,15,13,11,17, 8)$
$ 20 $ $20$ $20$ $( 1, 3,10,12,18,20, 5, 8,13,16, 2, 4, 9,11,17,19, 6, 7,14,15)$
$ 20 $ $20$ $20$ $( 1, 3,10,15,18, 7, 5,19,13,11, 2, 4, 9,16,17, 8, 6,20,14,12)$
$ 10, 10 $ $4$ $10$ $( 1, 5, 9,14,18, 2, 6,10,13,17)( 3, 8,11,15,20, 4, 7,12,16,19)$
$ 10, 10 $ $8$ $10$ $( 1, 5, 9,14,18, 2, 6,10,13,17)( 3,12,20, 8,16, 4,11,19, 7,15)$
$ 5, 5, 5, 5 $ $4$ $5$ $( 1, 6, 9,13,18)( 2, 5,10,14,17)( 3, 7,11,16,20)( 4, 8,12,15,19)$
$ 5, 5, 5, 5 $ $8$ $5$ $( 1, 6, 9,13,18)( 2, 5,10,14,17)( 3,11,20, 7,16)( 4,12,19, 8,15)$
$ 5, 5, 5, 5 $ $4$ $5$ $( 1, 9,18, 6,13)( 2,10,17, 5,14)( 3,11,20, 7,16)( 4,12,19, 8,15)$
$ 10, 10 $ $4$ $10$ $( 1,10,18, 5,13, 2, 9,17, 6,14)( 3,12,20, 8,16, 4,11,19, 7,15)$

Group invariants

Order:  $400=2^{4} \cdot 5^{2}$
Cyclic:  No
Abelian:  No
Solvable:  Yes
GAP id:  [400, 129]
Character table: Data not available.