Normalized defining polynomial
\( x^{11} - 2x^{10} + x^{9} - 5x^{8} + 13x^{7} - 9x^{6} + x^{5} - 8x^{4} + 9x^{3} - 3x^{2} - 2x + 1 \)
Invariants
Degree: | $11$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
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Signature: | $[3, 4]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(11239665258721\) \(\medspace = 1831^{4}\) | 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: | \(15.36\) | 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: | $1831^{1/2}\approx 42.790185790669334$ | ||
Ramified primes: | \(1831\) | 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: | \(\Q\) | ||
$\card{ \Aut(K/\Q) }$: | $1$ | 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 \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $\frac{1}{839}a^{10}+\frac{405}{839}a^{9}+\frac{392}{839}a^{8}+\frac{129}{839}a^{7}-\frac{341}{839}a^{6}-\frac{361}{839}a^{5}-\frac{101}{839}a^{4}-\frac{4}{839}a^{3}+\frac{59}{839}a^{2}-\frac{321}{839}a+\frac{235}{839}$
Monogenic: | Not computed | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$
Unit group
Rank: | $6$ | 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: | $a^{10}-2a^{9}+a^{8}-5a^{7}+13a^{6}-9a^{5}+a^{4}-8a^{3}+9a^{2}-3a-2$, $\frac{576}{839}a^{10}-\frac{801}{839}a^{9}+\frac{101}{839}a^{8}-\frac{2884}{839}a^{7}+\frac{5783}{839}a^{6}-\frac{1542}{839}a^{5}-\frac{285}{839}a^{4}-\frac{4821}{839}a^{3}+\frac{1263}{839}a^{2}+\frac{523}{839}a-\frac{1397}{839}$, $\frac{541}{839}a^{10}-\frac{713}{839}a^{9}-\frac{195}{839}a^{8}-\frac{2365}{839}a^{7}+\frac{5133}{839}a^{6}+\frac{186}{839}a^{5}-\frac{2623}{839}a^{4}-\frac{3842}{839}a^{3}+\frac{876}{839}a^{2}+\frac{1690}{839}a-\frac{2071}{839}$, $\frac{883}{839}a^{10}-\frac{1477}{839}a^{9}+\frac{468}{839}a^{8}-\frac{4392}{839}a^{7}+\frac{10166}{839}a^{6}-\frac{4977}{839}a^{5}-\frac{249}{839}a^{4}-\frac{7727}{839}a^{3}+\frac{5952}{839}a^{2}-\frac{700}{839}a-\frac{2245}{839}$, $\frac{35}{839}a^{10}-\frac{88}{839}a^{9}+\frac{296}{839}a^{8}-\frac{519}{839}a^{7}+\frac{650}{839}a^{6}-\frac{1728}{839}a^{5}+\frac{2338}{839}a^{4}-\frac{979}{839}a^{3}+\frac{387}{839}a^{2}-\frac{2006}{839}a+\frac{674}{839}$, $\frac{60}{839}a^{10}-\frac{31}{839}a^{9}+\frac{28}{839}a^{8}-\frac{650}{839}a^{7}+\frac{515}{839}a^{6}+\frac{154}{839}a^{5}+\frac{1491}{839}a^{4}-\frac{1918}{839}a^{3}-\frac{1494}{839}a^{2}+\frac{1715}{839}a-\frac{163}{839}$ | 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: | \( 200.975946209 \) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{3}\cdot(2\pi)^{4}\cdot 200.975946209 \cdot 1}{2\cdot\sqrt{11239665258721}}\cr\approx \mathstrut & 0.373720445759 \end{aligned}\]
Galois group
$\PSL(2,11)$ (as 11T5):
A non-solvable group of order 660 |
The 8 conjugacy class representatives for $\PSL(2,11)$ |
Character table for $\PSL(2,11)$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q$. |
Sibling fields
Degree 12 sibling: | 12.0.37681663399442934481.1 |
Arithmetically equvalently sibling: | 11.3.11239665258721.1 |
Minimal sibling: | 11.3.11239665258721.1 |
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | ${\href{/padicField/2.11.0.1}{11} }$ | ${\href{/padicField/3.5.0.1}{5} }^{2}{,}\,{\href{/padicField/3.1.0.1}{1} }$ | ${\href{/padicField/5.11.0.1}{11} }$ | ${\href{/padicField/7.5.0.1}{5} }^{2}{,}\,{\href{/padicField/7.1.0.1}{1} }$ | ${\href{/padicField/11.11.0.1}{11} }$ | ${\href{/padicField/13.5.0.1}{5} }^{2}{,}\,{\href{/padicField/13.1.0.1}{1} }$ | ${\href{/padicField/17.5.0.1}{5} }^{2}{,}\,{\href{/padicField/17.1.0.1}{1} }$ | ${\href{/padicField/19.3.0.1}{3} }^{3}{,}\,{\href{/padicField/19.1.0.1}{1} }^{2}$ | ${\href{/padicField/23.3.0.1}{3} }^{3}{,}\,{\href{/padicField/23.1.0.1}{1} }^{2}$ | ${\href{/padicField/29.6.0.1}{6} }{,}\,{\href{/padicField/29.3.0.1}{3} }{,}\,{\href{/padicField/29.2.0.1}{2} }$ | ${\href{/padicField/31.11.0.1}{11} }$ | ${\href{/padicField/37.6.0.1}{6} }{,}\,{\href{/padicField/37.3.0.1}{3} }{,}\,{\href{/padicField/37.2.0.1}{2} }$ | ${\href{/padicField/41.5.0.1}{5} }^{2}{,}\,{\href{/padicField/41.1.0.1}{1} }$ | ${\href{/padicField/43.3.0.1}{3} }^{3}{,}\,{\href{/padicField/43.1.0.1}{1} }^{2}$ | ${\href{/padicField/47.2.0.1}{2} }^{4}{,}\,{\href{/padicField/47.1.0.1}{1} }^{3}$ | ${\href{/padicField/53.2.0.1}{2} }^{4}{,}\,{\href{/padicField/53.1.0.1}{1} }^{3}$ | ${\href{/padicField/59.11.0.1}{11} }$ |
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 |
---|---|---|---|---|---|---|---|
\(1831\) | Deg $2$ | $2$ | $1$ | $1$ | $C_2$ | $[\ ]_{2}$ | |
Deg $3$ | $1$ | $3$ | $0$ | $C_3$ | $[\ ]^{3}$ | ||
Deg $6$ | $2$ | $3$ | $3$ |