Properties

Label 79.5.1.0a1.1
Base \(\Q_{79}\)
Degree \(5\)
e \(1\)
f \(5\)
c \(0\)
Galois group $C_5$ (as 5T1)

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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^5 + 5*x + 76)
 
Copy content magma:Prec := 100; // Default precision of 100 Q79 := pAdicField(79, Prec); K := LocalField(Q79, Polynomial(Q79, [76, 5, 0, 0, 0, 1]));
 

\(x^{5} + 5 x + 76\) 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 $d$: $5$
Copy content comment:Degree over Qp
 
Copy content sage:K.absolute_degree()
 
Copy content magma:Degree(K);
 
Ramification index $e$:$1$
Copy content comment:Ramification index
 
Copy content sage:K.absolute_e()
 
Copy content magma:RamificationIndex(K);
 
Residue field degree $f$:$5$
Copy content comment:Residue field degree (Inertia degree)
 
Copy content sage:K.absolute_f()
 
Copy content magma:InertiaDegree(K);
 
Discriminant exponent $c$:$0$
Copy content comment:Discriminant exponent
 
Copy content magma:Valuation(Discriminant(K));
 
Discriminant root field:$\Q_{79}$
Root number: $1$
$\Aut(K/\Q_{79})$ $=$ $\Gal(K/\Q_{79})$: $C_5$
This field is Galois and abelian over $\Q_{79}.$
Visible Artin slopes:$[\ ]$
Visible Swan slopes:$[\ ]$
Means:$\langle\ \rangle$
Rams:$(\ )$
Jump set:undefined
Roots of unity:$3077056398 = (79^{ 5 } - 1)$
Copy content comment:Roots of unity
 
Copy content sage:len(K.roots_of_unity())
 

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q_{ 79 }$.

Canonical tower

Unramified subfield:79.5.1.0a1.1 $\cong \Q_{79}(t)$ where $t$ is a root of \( x^{5} + 5 x + 76 \) Copy content Toggle raw display
Copy content comment:Maximal unramified subextension
 
Copy content sage:K.maximal_unramified_subextension()
 
Relative Eisenstein polynomial: \( x - 79 \) $\ \in\Q_{79}(t)[x]$ Copy content Toggle raw display

Ramification polygon

The ramification polygon is trivial for unramified extensions.

Invariants of the Galois closure

Galois degree: $5$
Galois group: $C_5$ (as 5T1)
Inertia group: trivial
Wild inertia group: $C_1$
Galois unramified degree: $5$
Galois tame degree: $1$
Galois Artin slopes: $[\ ]$
Galois Swan slopes: $[\ ]$
Galois mean slope: $0.0$
Galois splitting model:$x^{5} - x^{4} - 4 x^{3} + 3 x^{2} + 3 x - 1$