Normalized defining polynomial
\( x^{11} - x^{10} - 2x^{9} + 4x^{8} - 3x^{7} + x^{6} + 20x^{5} - 48x^{4} + 35x^{3} + 7x^{2} - 26x + 13 \)
Invariants
Degree: | $11$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
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Signature: | $[1, 5]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(-265446387748607\) \(\medspace = -\,13^{5}\cdot 59^{5}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
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Root discriminant: | \(20.48\) | sage: (K.disc().abs())^(1./K.degree())
gp: abs(K.disc)^(1/poldegree(K.pol))
magma: Abs(Discriminant(OK))^(1/Degree(K));
oscar: (1.0 * dK)^(1/degree(K))
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Galois root discriminant: | $13^{1/2}59^{1/2}\approx 27.694764848252458$ | ||
Ramified primes: | \(13\), \(59\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
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Discriminant root field: | \(\Q(\sqrt{-767}) \) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
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This field is not Galois over $\Q$. | |||
This is not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $\frac{1}{7}a^{8}-\frac{3}{7}a^{7}-\frac{1}{7}a^{6}+\frac{3}{7}a^{5}+\frac{1}{7}a^{4}+\frac{2}{7}a^{3}-\frac{1}{7}a^{2}+\frac{3}{7}a-\frac{2}{7}$, $\frac{1}{35}a^{9}-\frac{1}{35}a^{8}-\frac{13}{35}a^{6}+\frac{1}{5}a^{5}-\frac{2}{7}a^{4}-\frac{11}{35}a^{3}-\frac{13}{35}a^{2}-\frac{17}{35}a-\frac{4}{35}$, $\frac{1}{455}a^{10}+\frac{1}{455}a^{9}+\frac{1}{35}a^{8}+\frac{82}{455}a^{7}-\frac{34}{455}a^{6}+\frac{22}{65}a^{5}+\frac{159}{455}a^{4}+\frac{41}{91}a^{3}-\frac{23}{455}a^{2}+\frac{2}{5}a-\frac{11}{35}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$
Unit group
Rank: | $5$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
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Torsion generator: | \( -1 \) (order $2$) | sage: UK.torsion_generator()
gp: K.tu[2]
magma: K!f(TU.1) where TU,f is TorsionUnitGroup(K);
oscar: torsion_units_generator(OK)
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Fundamental units: | $a-1$, $\frac{207}{455}a^{10}-\frac{118}{455}a^{9}-\frac{38}{35}a^{8}+\frac{659}{455}a^{7}-\frac{213}{455}a^{6}-\frac{37}{455}a^{5}+\frac{3988}{455}a^{4}-\frac{238}{13}a^{3}+\frac{2974}{455}a^{2}+\frac{49}{5}a-\frac{237}{35}$, $\frac{57}{455}a^{10}-\frac{73}{455}a^{9}-\frac{8}{35}a^{8}+\frac{319}{455}a^{7}-\frac{183}{455}a^{6}-\frac{62}{455}a^{5}+\frac{1198}{455}a^{4}-\frac{84}{13}a^{3}+\frac{2264}{455}a^{2}+\frac{78}{35}a-\frac{122}{35}$, $\frac{44}{91}a^{10}-\frac{1}{455}a^{9}-\frac{43}{35}a^{8}+\frac{59}{91}a^{7}-\frac{57}{455}a^{6}+\frac{4}{65}a^{5}+\frac{886}{91}a^{4}-\frac{6159}{455}a^{3}-\frac{822}{455}a^{2}+\frac{289}{35}a-\frac{11}{5}$, $\frac{8}{455}a^{10}+\frac{34}{455}a^{9}+\frac{1}{35}a^{8}-\frac{59}{455}a^{7}-\frac{18}{91}a^{6}-\frac{146}{455}a^{5}+\frac{37}{455}a^{4}+\frac{314}{455}a^{3}-\frac{457}{455}a^{2}-\frac{1}{5}a+\frac{19}{35}$ | sage: UK.fundamental_units()
gp: K.fu
magma: [K|fUK(g): g in Generators(UK)];
oscar: [K(fUK(a)) for a in gens(UK)]
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Regulator: | \( 782.000461973 \) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{1}\cdot(2\pi)^{5}\cdot 782.000461973 \cdot 1}{2\cdot\sqrt{265446387748607}}\cr\approx \mathstrut & 0.470021735281 \end{aligned}\]
Galois group
A solvable group of order 22 |
The 7 conjugacy class representatives for $D_{11}$ |
Character table for $D_{11}$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q$. |
Sibling fields
Galois closure: | deg 22 |
Minimal sibling: | This field is its own minimal sibling |
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | ${\href{/padicField/2.11.0.1}{11} }$ | ${\href{/padicField/3.11.0.1}{11} }$ | ${\href{/padicField/5.2.0.1}{2} }^{5}{,}\,{\href{/padicField/5.1.0.1}{1} }$ | ${\href{/padicField/7.2.0.1}{2} }^{5}{,}\,{\href{/padicField/7.1.0.1}{1} }$ | ${\href{/padicField/11.11.0.1}{11} }$ | R | ${\href{/padicField/17.11.0.1}{11} }$ | ${\href{/padicField/19.2.0.1}{2} }^{5}{,}\,{\href{/padicField/19.1.0.1}{1} }$ | ${\href{/padicField/23.2.0.1}{2} }^{5}{,}\,{\href{/padicField/23.1.0.1}{1} }$ | ${\href{/padicField/29.11.0.1}{11} }$ | ${\href{/padicField/31.11.0.1}{11} }$ | ${\href{/padicField/37.11.0.1}{11} }$ | ${\href{/padicField/41.2.0.1}{2} }^{5}{,}\,{\href{/padicField/41.1.0.1}{1} }$ | ${\href{/padicField/43.2.0.1}{2} }^{5}{,}\,{\href{/padicField/43.1.0.1}{1} }$ | ${\href{/padicField/47.11.0.1}{11} }$ | ${\href{/padicField/53.11.0.1}{11} }$ | R |
In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.
Local algebras for ramified primes
$p$ | Label | Polynomial | $e$ | $f$ | $c$ | Galois group | Slope content |
---|---|---|---|---|---|---|---|
\(13\) | $\Q_{13}$ | $x + 11$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
13.2.1.2 | $x^{2} + 26$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
13.2.1.2 | $x^{2} + 26$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
13.2.1.2 | $x^{2} + 26$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
13.2.1.2 | $x^{2} + 26$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
13.2.1.2 | $x^{2} + 26$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
\(59\) | $\Q_{59}$ | $x + 57$ | $1$ | $1$ | $0$ | Trivial | $[\ ]$ |
59.2.1.1 | $x^{2} + 118$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.1 | $x^{2} + 118$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.1 | $x^{2} + 118$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.1 | $x^{2} + 118$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
59.2.1.1 | $x^{2} + 118$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ |