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Defining polynomial

Copy content comment:Define the p-adic field
 
Copy content sage:Prec = 100 # Default precision of 100 Q193 = Qp(193, Prec); x = polygen(QQ) L.<t> = Q193.extension(x^2 + 192*x + 5) K.<a> = L.extension(x^3 + 193*t)
 
Copy content magma:Prec := 100; // Default precision of 100 Q193 := pAdicField(193, Prec); K := LocalField(Q193, Polynomial(Q193, [125, 14593, 553035, 7083648, 110607, 576, 1]));
 

$( x^{2} + 192 x + 5 )^{3} + 193 x$ Copy content Toggle raw display

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

Invariants

Base field: $\Q_{193}$
Copy content comment:Base field Qp
 
Copy content sage:K.base()
 
Copy content magma:Q193;
 
Degree $d$: $6$
Copy content comment:Degree over Qp
 
Copy content sage:K.absolute_degree()
 
Copy content magma:Degree(K);
 
Ramification index $e$:$3$
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Copy content sage:K.absolute_e()
 
Copy content magma:RamificationIndex(K);
 
Residue field degree $f$:$2$
Copy content comment:Residue field degree (Inertia degree)
 
Copy content sage:K.absolute_f()
 
Copy content magma:InertiaDegree(K);
 
Discriminant exponent $c$:$4$
Copy content comment:Discriminant exponent
 
Copy content magma:Valuation(Discriminant(K));
 
Discriminant root field:$\Q_{193}(\sqrt{5})$
Root number: $1$
$\Aut(K/\Q_{193})$ $=$ $\Gal(K/\Q_{193})$: $C_6$
This field is Galois and abelian over $\Q_{193}.$
Visible Artin slopes:$[\ ]$
Visible Swan slopes:$[\ ]$
Means:$\langle\ \rangle$
Rams:$(\ )$
Jump set:undefined
Roots of unity:$37248 = (193^{ 2 } - 1)$
Copy content comment:Roots of unity
 
Copy content sage:len(K.roots_of_unity())
 

Intermediate fields

$\Q_{193}(\sqrt{5})$, 193.1.3.2a1.3

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

Canonical tower

Unramified subfield:$\Q_{193}(\sqrt{5})$ $\cong \Q_{193}(t)$ where $t$ is a root of \( x^{2} + 192 x + 5 \) Copy content Toggle raw display
Copy content comment:Maximal unramified subextension
 
Copy content sage:K.maximal_unramified_subextension()
 
Relative Eisenstein polynomial: \( x^{3} + 193 t \) $\ \in\Q_{193}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Residual polynomials:$z^2 + 3 z + 3$
Associated inertia:$1$
Indices of inseparability:$[0]$

Invariants of the Galois closure

Galois degree: $6$
Galois group: $C_6$ (as 6T1)
Inertia group: Intransitive group isomorphic to $C_3$
Wild inertia group: $C_1$
Galois unramified degree: $2$
Galois tame degree: $3$
Galois Artin slopes: $[\ ]$
Galois Swan slopes: $[\ ]$
Galois mean slope: $0.6666666666666666$
Galois splitting model: $x^{6} - x^{5} - 837 x^{4} + 4554 x^{3} + 160855 x^{2} - 1735113 x + 4680493$ Copy content Toggle raw display