Properties

Label 79.1.9.8a1.3
Base \(\Q_{79}\)
Degree \(9\)
e \(9\)
f \(1\)
c \(8\)
Galois group $C_9:C_3$ (as 9T6)

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Defining polynomial

Copy content comment:Define the p-adic field
 
Copy content sage:Prec = 100 # Default precision of 100 Q79 = Qp(79, Prec); x = polygen(QQ) K.<a> = Q79.extension(x^9 + 711)
 
Copy content magma:Prec := 100; // Default precision of 100 Q79 := pAdicField(79, Prec); K := LocalField(Q79, Polynomial(Q79, [711, 0, 0, 0, 0, 0, 0, 0, 0, 1]));
 

\(x^{9} + 711\) Copy content Toggle raw display

Copy content comment:Defining polynomial
 
Copy content sage:K.defining_polynomial()
 
Copy content magma:DefiningPolynomial(K);
 

Invariants

Base field: $\Q_{79}$
Copy content comment:Base field Qp
 
Copy content sage:K.base()
 
Copy content magma:Q79;
 
Degree $d$: $9$
Copy content comment:Degree over Qp
 
Copy content sage:K.absolute_degree()
 
Copy content magma:Degree(K);
 
Ramification index $e$:$9$
Copy content comment:Ramification index
 
Copy content sage:K.absolute_e()
 
Copy content magma:RamificationIndex(K);
 
Residue field degree $f$:$1$
Copy content comment:Residue field degree (Inertia degree)
 
Copy content sage:K.absolute_f()
 
Copy content magma:InertiaDegree(K);
 
Discriminant exponent $c$:$8$
Copy content comment:Discriminant exponent
 
Copy content magma:Valuation(Discriminant(K));
 
Discriminant root field:$\Q_{79}$
Root number: $1$
$\Aut(K/\Q_{79})$: $C_3$
This field is not Galois over $\Q_{79}.$
Visible Artin slopes:$[\ ]$
Visible Swan slopes:$[\ ]$
Means:$\langle\ \rangle$
Rams:$(\ )$
Jump set:undefined
Roots of unity:$78 = (79 - 1)$
Copy content comment:Roots of unity
 
Copy content sage:len(K.roots_of_unity())
 

Intermediate fields

79.1.3.2a1.3

Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.

Canonical tower

Unramified subfield:$\Q_{79}$
Copy content comment:Maximal unramified subextension
 
Copy content sage:K.maximal_unramified_subextension()
 
Relative Eisenstein polynomial: \( x^{9} + 711 \) Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^8 + 9 z^7 + 36 z^6 + 5 z^5 + 47 z^4 + 47 z^3 + 5 z^2 + 36 z + 9$
Associated inertia:$3$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois degree: $27$
Galois group: $C_9:C_3$ (as 9T6)
Inertia group: $C_9$ (as 9T1)
Wild inertia group: $C_1$
Galois unramified degree: $3$
Galois tame degree: $9$
Galois Artin slopes: $[\ ]$
Galois Swan slopes: $[\ ]$
Galois mean slope: $0.8888888888888888$
Galois splitting model:not computed