Normalized defining polynomial
\( x^{11} - x^{10} - 450 x^{9} + 393 x^{8} + 65785 x^{7} - 76121 x^{6} - 3728249 x^{5} + 6483322 x^{4} + \cdots + 2032282741 \)
Invariants
Degree: | $11$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
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Signature: | $[11, 0]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
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Discriminant: | \(913558883040682586951726894401\) \(\medspace = 991^{10}\) | 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: | \(529.30\) | 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: | $991^{10/11}\approx 529.3017407164167$ | ||
Ramified primes: | \(991\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q\) | ||
$\card{ \Gal(K/\Q) }$: | $11$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
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This field is Galois and abelian over $\Q$. | |||
Conductor: | \(991\) | ||
Dirichlet character group: | $\lbrace$$\chi_{991}(1,·)$, $\chi_{991}(773,·)$, $\chi_{991}(134,·)$, $\chi_{991}(673,·)$, $\chi_{991}(42,·)$, $\chi_{991}(50,·)$, $\chi_{991}(945,·)$, $\chi_{991}(754,·)$, $\chi_{991}(518,·)$, $\chi_{991}(118,·)$, $\chi_{991}(947,·)$$\rbrace$ | ||
This is not a CM field. |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $\frac{1}{113}a^{9}+\frac{4}{113}a^{8}-\frac{18}{113}a^{7}+\frac{30}{113}a^{6}-\frac{15}{113}a^{5}+\frac{9}{113}a^{4}+\frac{40}{113}a^{3}+\frac{13}{113}a^{2}+\frac{12}{113}a+\frac{17}{113}$, $\frac{1}{19\!\cdots\!23}a^{10}+\frac{16\!\cdots\!37}{19\!\cdots\!23}a^{9}-\frac{34\!\cdots\!10}{19\!\cdots\!23}a^{8}-\frac{33\!\cdots\!88}{19\!\cdots\!23}a^{7}+\frac{16\!\cdots\!84}{19\!\cdots\!23}a^{6}+\frac{71\!\cdots\!26}{19\!\cdots\!23}a^{5}+\frac{55\!\cdots\!09}{19\!\cdots\!23}a^{4}-\frac{46\!\cdots\!11}{19\!\cdots\!23}a^{3}+\frac{66\!\cdots\!39}{19\!\cdots\!23}a^{2}-\frac{63\!\cdots\!06}{19\!\cdots\!23}a-\frac{72\!\cdots\!61}{19\!\cdots\!23}$
Monogenic: | No | |
Index: | $1$ | |
Inessential primes: | None |
Class group and class number
Trivial group, which has order $1$ (assuming GRH)
Unit group
Rank: | $10$ | 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: | $\frac{68\!\cdots\!18}{19\!\cdots\!23}a^{10}-\frac{13\!\cdots\!81}{19\!\cdots\!23}a^{9}-\frac{35\!\cdots\!15}{19\!\cdots\!23}a^{8}+\frac{64\!\cdots\!23}{19\!\cdots\!23}a^{7}+\frac{63\!\cdots\!69}{19\!\cdots\!23}a^{6}-\frac{99\!\cdots\!86}{19\!\cdots\!23}a^{5}-\frac{38\!\cdots\!38}{19\!\cdots\!23}a^{4}+\frac{58\!\cdots\!44}{19\!\cdots\!23}a^{3}+\frac{41\!\cdots\!43}{19\!\cdots\!23}a^{2}-\frac{11\!\cdots\!78}{19\!\cdots\!23}a+\frac{22\!\cdots\!65}{19\!\cdots\!23}$, $\frac{27\!\cdots\!95}{19\!\cdots\!23}a^{10}+\frac{92\!\cdots\!51}{19\!\cdots\!23}a^{9}-\frac{11\!\cdots\!28}{19\!\cdots\!23}a^{8}-\frac{42\!\cdots\!23}{19\!\cdots\!23}a^{7}+\frac{15\!\cdots\!58}{19\!\cdots\!23}a^{6}+\frac{52\!\cdots\!61}{19\!\cdots\!23}a^{5}-\frac{74\!\cdots\!80}{19\!\cdots\!23}a^{4}-\frac{17\!\cdots\!45}{19\!\cdots\!23}a^{3}+\frac{15\!\cdots\!74}{19\!\cdots\!23}a^{2}+\frac{17\!\cdots\!66}{19\!\cdots\!23}a-\frac{11\!\cdots\!63}{19\!\cdots\!23}$, $\frac{92\!\cdots\!61}{19\!\cdots\!23}a^{10}-\frac{64\!\cdots\!74}{19\!\cdots\!23}a^{9}-\frac{38\!\cdots\!40}{19\!\cdots\!23}a^{8}+\frac{26\!\cdots\!50}{19\!\cdots\!23}a^{7}+\frac{45\!\cdots\!74}{19\!\cdots\!23}a^{6}-\frac{33\!\cdots\!86}{19\!\cdots\!23}a^{5}-\frac{14\!\cdots\!65}{19\!\cdots\!23}a^{4}+\frac{14\!\cdots\!13}{19\!\cdots\!23}a^{3}-\frac{31\!\cdots\!58}{19\!\cdots\!23}a^{2}-\frac{16\!\cdots\!83}{19\!\cdots\!23}a+\frac{31\!\cdots\!50}{19\!\cdots\!23}$, $\frac{16\!\cdots\!95}{19\!\cdots\!23}a^{10}+\frac{63\!\cdots\!44}{19\!\cdots\!23}a^{9}-\frac{73\!\cdots\!74}{19\!\cdots\!23}a^{8}-\frac{28\!\cdots\!86}{19\!\cdots\!23}a^{7}+\frac{98\!\cdots\!43}{19\!\cdots\!23}a^{6}+\frac{33\!\cdots\!18}{19\!\cdots\!23}a^{5}-\frac{47\!\cdots\!35}{19\!\cdots\!23}a^{4}-\frac{11\!\cdots\!25}{19\!\cdots\!23}a^{3}+\frac{97\!\cdots\!69}{19\!\cdots\!23}a^{2}+\frac{11\!\cdots\!10}{19\!\cdots\!23}a-\frac{72\!\cdots\!08}{19\!\cdots\!23}$, $\frac{13\!\cdots\!93}{19\!\cdots\!23}a^{10}+\frac{52\!\cdots\!78}{19\!\cdots\!23}a^{9}-\frac{58\!\cdots\!89}{19\!\cdots\!23}a^{8}-\frac{23\!\cdots\!77}{19\!\cdots\!23}a^{7}+\frac{77\!\cdots\!13}{19\!\cdots\!23}a^{6}+\frac{27\!\cdots\!92}{19\!\cdots\!23}a^{5}-\frac{37\!\cdots\!51}{19\!\cdots\!23}a^{4}-\frac{92\!\cdots\!22}{19\!\cdots\!23}a^{3}+\frac{76\!\cdots\!87}{19\!\cdots\!23}a^{2}+\frac{91\!\cdots\!85}{19\!\cdots\!23}a-\frac{56\!\cdots\!55}{19\!\cdots\!23}$, $\frac{23\!\cdots\!70}{19\!\cdots\!23}a^{10}+\frac{84\!\cdots\!25}{19\!\cdots\!23}a^{9}-\frac{10\!\cdots\!27}{19\!\cdots\!23}a^{8}-\frac{37\!\cdots\!73}{19\!\cdots\!23}a^{7}+\frac{13\!\cdots\!69}{19\!\cdots\!23}a^{6}+\frac{44\!\cdots\!94}{19\!\cdots\!23}a^{5}-\frac{64\!\cdots\!10}{19\!\cdots\!23}a^{4}-\frac{14\!\cdots\!05}{19\!\cdots\!23}a^{3}+\frac{13\!\cdots\!60}{19\!\cdots\!23}a^{2}+\frac{13\!\cdots\!42}{19\!\cdots\!23}a-\frac{94\!\cdots\!48}{19\!\cdots\!23}$, $\frac{80\!\cdots\!25}{19\!\cdots\!23}a^{10}+\frac{30\!\cdots\!44}{19\!\cdots\!23}a^{9}-\frac{34\!\cdots\!60}{19\!\cdots\!23}a^{8}-\frac{13\!\cdots\!85}{19\!\cdots\!23}a^{7}+\frac{46\!\cdots\!27}{19\!\cdots\!23}a^{6}+\frac{16\!\cdots\!64}{19\!\cdots\!23}a^{5}-\frac{22\!\cdots\!14}{19\!\cdots\!23}a^{4}-\frac{54\!\cdots\!86}{19\!\cdots\!23}a^{3}+\frac{45\!\cdots\!39}{19\!\cdots\!23}a^{2}+\frac{54\!\cdots\!19}{19\!\cdots\!23}a-\frac{34\!\cdots\!52}{19\!\cdots\!23}$, $\frac{26\!\cdots\!21}{19\!\cdots\!23}a^{10}+\frac{10\!\cdots\!80}{19\!\cdots\!23}a^{9}-\frac{11\!\cdots\!70}{19\!\cdots\!23}a^{8}-\frac{47\!\cdots\!19}{19\!\cdots\!23}a^{7}+\frac{15\!\cdots\!53}{19\!\cdots\!23}a^{6}+\frac{57\!\cdots\!10}{19\!\cdots\!23}a^{5}-\frac{73\!\cdots\!73}{19\!\cdots\!23}a^{4}-\frac{19\!\cdots\!20}{19\!\cdots\!23}a^{3}+\frac{13\!\cdots\!10}{17\!\cdots\!71}a^{2}+\frac{18\!\cdots\!06}{19\!\cdots\!23}a-\frac{11\!\cdots\!32}{19\!\cdots\!23}$, $\frac{22\!\cdots\!24}{19\!\cdots\!23}a^{10}-\frac{29\!\cdots\!13}{19\!\cdots\!23}a^{9}-\frac{97\!\cdots\!45}{19\!\cdots\!23}a^{8}+\frac{11\!\cdots\!00}{19\!\cdots\!23}a^{7}+\frac{12\!\cdots\!92}{19\!\cdots\!23}a^{6}-\frac{19\!\cdots\!14}{19\!\cdots\!23}a^{5}-\frac{55\!\cdots\!83}{19\!\cdots\!23}a^{4}+\frac{13\!\cdots\!47}{19\!\cdots\!23}a^{3}+\frac{74\!\cdots\!23}{19\!\cdots\!23}a^{2}-\frac{24\!\cdots\!41}{19\!\cdots\!23}a+\frac{99\!\cdots\!42}{19\!\cdots\!23}$, $\frac{11\!\cdots\!58}{19\!\cdots\!23}a^{10}-\frac{77\!\cdots\!24}{19\!\cdots\!23}a^{9}-\frac{45\!\cdots\!80}{19\!\cdots\!23}a^{8}+\frac{30\!\cdots\!65}{19\!\cdots\!23}a^{7}+\frac{53\!\cdots\!80}{19\!\cdots\!23}a^{6}-\frac{37\!\cdots\!41}{19\!\cdots\!23}a^{5}-\frac{15\!\cdots\!21}{19\!\cdots\!23}a^{4}+\frac{14\!\cdots\!69}{19\!\cdots\!23}a^{3}+\frac{28\!\cdots\!75}{19\!\cdots\!23}a^{2}-\frac{15\!\cdots\!82}{19\!\cdots\!23}a+\frac{24\!\cdots\!87}{19\!\cdots\!23}$ (assuming GRH) | sage: UK.fundamental_units()
gp: K.fu
magma: [K|fUK(g): g in Generators(UK)];
oscar: [K(fUK(a)) for a in gens(UK)]
| |
Regulator: | \( 155801246971 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{11}\cdot(2\pi)^{0}\cdot 155801246971 \cdot 1}{2\cdot\sqrt{913558883040682586951726894401}}\cr\approx \mathstrut & 0.166917785190651 \end{aligned}\] (assuming GRH)
Galois group
A cyclic group of order 11 |
The 11 conjugacy class representatives for $C_{11}$ |
Character table for $C_{11}$ |
Intermediate fields
The extension is primitive: there are no intermediate fields between this field and $\Q$. |
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | ${\href{/padicField/2.11.0.1}{11} }$ | ${\href{/padicField/3.11.0.1}{11} }$ | ${\href{/padicField/5.11.0.1}{11} }$ | ${\href{/padicField/7.11.0.1}{11} }$ | ${\href{/padicField/11.11.0.1}{11} }$ | ${\href{/padicField/13.11.0.1}{11} }$ | ${\href{/padicField/17.11.0.1}{11} }$ | ${\href{/padicField/19.11.0.1}{11} }$ | ${\href{/padicField/23.11.0.1}{11} }$ | ${\href{/padicField/29.11.0.1}{11} }$ | ${\href{/padicField/31.11.0.1}{11} }$ | ${\href{/padicField/37.11.0.1}{11} }$ | ${\href{/padicField/41.11.0.1}{11} }$ | ${\href{/padicField/43.11.0.1}{11} }$ | ${\href{/padicField/47.11.0.1}{11} }$ | ${\href{/padicField/53.11.0.1}{11} }$ | ${\href{/padicField/59.1.0.1}{1} }^{11}$ |
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 |
---|---|---|---|---|---|---|---|
\(991\) | Deg $11$ | $11$ | $1$ | $10$ |