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Group invariants
| Abstract group: | $D_{10}.D_{10}$ |
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| Order: | $400=2^{4} \cdot 5^{2}$ |
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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 $n$: | $40$ |
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| Transitive number $t$: | $385$ |
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| Parity: | $1$ |
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| Primitive: | no |
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| $\card{\Aut(F/K)}$: | $2$ |
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| Generators: | $(1,36,2,35)(3,33,4,34)(5,7,6,8)(9,27,10,28)(11,25,12,26)(13,37,14,38)(15,39,16,40)(17,20,18,19)(21,29,22,30)(23,31,24,32)$, $(1,40,2,39)(3,38,4,37)(5,34,6,33)(7,36,8,35)(9,31,10,32)(11,30,12,29)(13,27,14,28)(15,26,16,25)(17,22,18,21)(19,24,20,23)$, $(1,8,28,22,12,37,34,15,20,32,2,7,27,21,11,38,33,16,19,31)(3,6,26,23,9,39,36,14,17,30,4,5,25,24,10,40,35,13,18,29)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 7 $4$: $C_2^2$ x 7 $8$: $C_2^3$ $10$: $D_{5}$ x 2 $16$: $Q_8:C_2$ $20$: $D_{10}$ x 6 $40$: 20T8 x 2 $80$: 40T21, 40T23 $100$: $D_5^2$ $200$: 20T59 Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$
Degree 5: None
Degree 8: $Q_8:C_2$
Degree 10: $D_5^2$
Degree 20: 20T59
Low degree siblings
40T315 x 2, 40T385Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Conjugacy classes not computed
Character table
52 x 52 character table
Regular extensions
Data not computed