Properties

Label 5.1.11.10a1.1
Base \(\Q_{5}\)
Degree \(11\)
e \(11\)
f \(1\)
c \(10\)
Galois group $C_{11}:C_5$ (as 11T3)

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Defining polynomial

Copy content comment:Define the p-adic field
 
Copy content sage:Prec = 100 # Default precision of 100 Q5 = Qp(5, Prec); x = polygen(QQ) K.<a> = Q5.extension(x^11 + 5)
 
Copy content magma:Prec := 100; // Default precision of 100 Q5 := pAdicField(5, Prec); K := LocalField(Q5, Polynomial(Q5, [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]));
 

\(x^{11} + 5\) Copy content Toggle raw display

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

Invariants

Base field: $\Q_{5}$
Copy content comment:Base field Qp
 
Copy content sage:K.base()
 
Copy content magma:Q5;
 
Degree $d$: $11$
Copy content comment:Degree over Qp
 
Copy content sage:K.absolute_degree()
 
Copy content magma:Degree(K);
 
Ramification index $e$:$11$
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 $c$:$10$
Copy content comment:Discriminant exponent
 
Copy content magma:Valuation(Discriminant(K));
 
Discriminant root field:$\Q_{5}$
Root number: $1$
$\Aut(K/\Q_{5})$: $C_1$
This field is not Galois over $\Q_{5}.$
Visible Artin slopes:$[\ ]$
Visible Swan slopes:$[\ ]$
Means:$\langle\ \rangle$
Rams:$(\ )$
Jump set:undefined
Roots of unity:$4 = (5 - 1)$
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 $\Q_{ 5 }$.

Canonical tower

Unramified subfield:$\Q_{5}$
Copy content comment:Maximal unramified subextension
 
Copy content sage:K.maximal_unramified_subextension()
 
Relative Eisenstein polynomial: \( x^{11} + 5 \) Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^{10} + z^9 + 2 z^5 + 2 z^4 + 1$
Associated inertia:$5$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois degree: $55$
Galois group: $C_{11}:C_5$ (as 11T3)
Inertia group: $C_{11}$ (as 11T1)
Wild inertia group: $C_1$
Galois unramified degree: $5$
Galois tame degree: $11$
Galois Artin slopes: $[\ ]$
Galois Swan slopes: $[\ ]$
Galois mean slope: $0.9090909090909091$
Galois splitting model:$x^{11} - 55 x^{9} + 1100 x^{7} - 9625 x^{5} + 34375 x^{3} - 34375 x - 12675$