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Group invariants
Abstract group: | $D_{17}$ |
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Order: | $34=2 \cdot 17$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | yes |
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Nilpotency class: | not nilpotent |
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Group action invariants
Degree $n$: | $17$ |
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Transitive number $t$: | $2$ |
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Parity: | $1$ |
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Primitive: | yes |
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$\card{\Aut(F/K)}$: | $1$ |
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Generators: | $(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17)$, $(2,17)(3,16)(4,15)(5,14)(6,13)(7,12)(8,11)(9,10)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Prime degree - none
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
Label | Cycle Type | Size | Order | Index | Representative |
1A | $1^{17}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{8},1$ | $17$ | $2$ | $8$ | $( 1,15)( 2,14)( 3,13)( 4,12)( 5,11)( 6,10)( 7, 9)(16,17)$ |
17A1 | $17$ | $2$ | $17$ | $16$ | $( 1,17,16,15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2)$ |
17A2 | $17$ | $2$ | $17$ | $16$ | $( 1,16,14,12,10, 8, 6, 4, 2,17,15,13,11, 9, 7, 5, 3)$ |
17A3 | $17$ | $2$ | $17$ | $16$ | $( 1,15,12, 9, 6, 3,17,14,11, 8, 5, 2,16,13,10, 7, 4)$ |
17A4 | $17$ | $2$ | $17$ | $16$ | $( 1,14,10, 6, 2,15,11, 7, 3,16,12, 8, 4,17,13, 9, 5)$ |
17A5 | $17$ | $2$ | $17$ | $16$ | $( 1,13, 8, 3,15,10, 5,17,12, 7, 2,14, 9, 4,16,11, 6)$ |
17A6 | $17$ | $2$ | $17$ | $16$ | $( 1,12, 6,17,11, 5,16,10, 4,15, 9, 3,14, 8, 2,13, 7)$ |
17A7 | $17$ | $2$ | $17$ | $16$ | $( 1,11, 4,14, 7,17,10, 3,13, 6,16, 9, 2,12, 5,15, 8)$ |
17A8 | $17$ | $2$ | $17$ | $16$ | $( 1,10, 2,11, 3,12, 4,13, 5,14, 6,15, 7,16, 8,17, 9)$ |
Malle's constant $a(G)$: $1/8$
Character table
1A | 2A | 17A1 | 17A2 | 17A3 | 17A4 | 17A5 | 17A6 | 17A7 | 17A8 | ||
Size | 1 | 17 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
2 P | 1A | 1A | 17A2 | 17A4 | 17A6 | 17A8 | 17A7 | 17A5 | 17A3 | 17A1 | |
17 P | 1A | 2A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | |
Type | |||||||||||
34.1.1a | R | ||||||||||
34.1.1b | R | ||||||||||
34.1.2a1 | R | ||||||||||
34.1.2a2 | R | ||||||||||
34.1.2a3 | R | ||||||||||
34.1.2a4 | R | ||||||||||
34.1.2a5 | R | ||||||||||
34.1.2a6 | R | ||||||||||
34.1.2a7 | R | ||||||||||
34.1.2a8 | R |
Regular extensions
Data not computed