Properties

Label 20T123
Order \(480\)
n \(20\)
Cyclic No
Abelian No
Solvable No
Primitive No
$p$-group No
Group: $C_4\times S_5$

Related objects

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Group action invariants

Degree $n$ :  $20$
Transitive number $t$ :  $123$
Group :  $C_4\times S_5$
Parity:  $-1$
Primitive:  No
Nilpotency class:  $-1$ (not nilpotent)
Generators:  (1,15,18,3)(2,16,17,4)(5,8,13,11)(6,7,14,12)(9,19,10,20), (1,4,10,8,6,11,14,20,17,15,2,3,9,7,5,12,13,19,18,16)
$|\Aut(F/K)|$:  $4$

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:  $C_4\times C_2$
120:  $S_5$
240:  $S_5\times C_2$

Resolvents shown for degrees $\leq 47$

Subfields

Degree 2: $C_2$

Degree 4: $C_4$

Degree 5: $S_5$

Degree 10: $S_5\times C_2$

Low degree siblings

20T123, 24T1347 x 2, 24T1348 x 2, 40T408 x 2, 40T409 x 2, 40T430

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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ $10$ $2$ $( 7,19)( 8,20)( 9,17)(10,18)$
$ 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1 $ $20$ $3$ $( 5,10,18)( 6, 9,17)( 7,15,19)( 8,16,20)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1 $ $15$ $2$ $( 3, 8)( 4, 7)( 5,10)( 6, 9)(13,17)(14,18)(15,19)(16,20)$
$ 4, 4, 4, 4, 1, 1, 1, 1 $ $30$ $4$ $( 3, 8,16,20)( 4, 7,15,19)( 5,10,14,18)( 6, 9,13,17)$
$ 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 $ $10$ $2$ $( 1, 2)( 3, 4)( 5, 6)( 7,20)( 8,19)( 9,18)(10,17)(11,12)(13,14)(15,16)$
$ 6, 6, 2, 2, 2, 2 $ $20$ $6$ $( 1, 2)( 3, 4)( 5, 9,18, 6,10,17)( 7,16,19, 8,15,20)(11,12)(13,14)$
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ $15$ $2$ $( 1, 2)( 3, 7)( 4, 8)( 5, 9)( 6,10)(11,12)(13,18)(14,17)(15,20)(16,19)$
$ 4, 4, 4, 4, 2, 2 $ $30$ $4$ $( 1, 2)( 3, 7,16,19)( 4, 8,15,20)( 5, 9,14,17)( 6,10,13,18)(11,12)$
$ 4, 4, 4, 4, 4 $ $15$ $4$ $( 1, 3, 2, 4)( 5, 7, 6, 8)( 9,20,10,19)(11,13,12,14)(15,17,16,18)$
$ 12, 4, 4 $ $20$ $12$ $( 1, 3, 2, 4)( 5, 7, 9,16,18,19, 6, 8,10,15,17,20)(11,13,12,14)$
$ 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 3, 2, 4)( 5,15, 6,16)( 7,17, 8,18)( 9,20,10,19)(11,13,12,14)$
$ 4, 4, 4, 4, 4 $ $30$ $4$ $( 1, 3, 5, 7)( 2, 4, 6, 8)( 9,20,10,19)(11,13,16,18)(12,14,15,17)$
$ 20 $ $24$ $20$ $( 1, 3, 5, 7, 9,12,14,15,17,20, 2, 4, 6, 8,10,11,13,16,18,19)$
$ 12, 4, 4 $ $20$ $12$ $( 1, 3, 5,11,13,16, 2, 4, 6,12,14,15)( 7,17, 8,18)( 9,20,10,19)$
$ 4, 4, 4, 4, 4 $ $15$ $4$ $( 1, 4, 2, 3)( 5, 8, 6, 7)( 9,19,10,20)(11,14,12,13)(15,18,16,17)$
$ 12, 4, 4 $ $20$ $12$ $( 1, 4, 2, 3)( 5, 8, 9,15,18,20, 6, 7,10,16,17,19)(11,14,12,13)$
$ 4, 4, 4, 4, 4 $ $10$ $4$ $( 1, 4, 2, 3)( 5,16, 6,15)( 7,18, 8,17)( 9,19,10,20)(11,14,12,13)$
$ 4, 4, 4, 4, 4 $ $30$ $4$ $( 1, 4, 5, 8)( 2, 3, 6, 7)( 9,19,10,20)(11,14,16,17)(12,13,15,18)$
$ 20 $ $24$ $20$ $( 1, 4, 5, 8, 9,11,14,16,17,19, 2, 3, 6, 7,10,12,13,15,18,20)$
$ 12, 4, 4 $ $20$ $12$ $( 1, 4, 5,12,13,15, 2, 3, 6,11,14,16)( 7,18, 8,17)( 9,19,10,20)$
$ 6, 6, 2, 2, 2, 2 $ $20$ $6$ $( 1, 5)( 2, 6)( 3, 7,20, 4, 8,19)( 9,14,17,10,13,18)(11,16)(12,15)$
$ 10, 10 $ $24$ $10$ $( 1, 5, 9,14,17, 2, 6,10,13,18)( 3, 7,12,15,20, 4, 8,11,16,19)$
$ 3, 3, 3, 3, 2, 2, 2, 2 $ $20$ $6$ $( 1, 6)( 2, 5)( 3, 8,20)( 4, 7,19)( 9,13,17)(10,14,18)(11,15)(12,16)$
$ 5, 5, 5, 5 $ $24$ $5$ $( 1, 6, 9,13,17)( 2, 5,10,14,18)( 3, 8,12,16,20)( 4, 7,11,15,19)$
$ 4, 4, 4, 4, 4 $ $1$ $4$ $( 1,11, 2,12)( 3,13, 4,14)( 5,16, 6,15)( 7,18, 8,17)( 9,19,10,20)$
$ 4, 4, 4, 4, 4 $ $1$ $4$ $( 1,12, 2,11)( 3,14, 4,13)( 5,15, 6,16)( 7,17, 8,18)( 9,20,10,19)$

Group invariants

Order:  $480=2^{5} \cdot 3 \cdot 5$
Cyclic:  No
Abelian:  No
Solvable:  No
GAP id:  [480, 943]
Character table: Data not available.