Properties

Label 29.1.587...477.1
Degree $29$
Signature $[1, 14]$
Discriminant $5.874\times 10^{55}$
Root discriminant \(83.77\)
Ramified primes see page
Class number $1$ (GRH)
Class group trivial (GRH)
Galois group $S_{29}$ (as 29T8)

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Show commands: Magma / Oscar / PariGP / SageMath

Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^29 - 2*x - 3)
 
gp: K = bnfinit(y^29 - 2*y - 3, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^29 - 2*x - 3);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^29 - 2*x - 3)
 

\( x^{29} - 2x - 3 \) Copy content Toggle raw display

sage: K.defining_polynomial()
 
gp: K.pol
 
magma: DefiningPolynomial(K);
 
oscar: defining_polynomial(K)
 

Invariants

Degree:  $29$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[1, 14]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(58740405420479006992414084652221434564422848468416004477\) \(\medspace = 43\cdot 907\cdot 40322333\cdot 5439157486181\cdot 68\!\cdots\!49\) Copy content Toggle raw display
sage: K.disc()
 
gp: K.disc
 
magma: OK := Integers(K); Discriminant(OK);
 
oscar: OK = ring_of_integers(K); discriminant(OK)
 
Root discriminant:  \(83.77\)
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))
 
Galois root discriminant:  $43^{1/2}907^{1/2}40322333^{1/2}5439157486181^{1/2}6867266657725622021109001049749^{1/2}\approx 7.664228951465307e+27$
Ramified primes:   \(43\), \(907\), \(40322333\), \(5439157486181\), \(68672\!\cdots\!49749\) Copy content Toggle raw display
sage: K.disc().support()
 
gp: factor(abs(K.disc))[,1]~
 
magma: PrimeDivisors(Discriminant(OK));
 
oscar: prime_divisors(discriminant((OK)))
 
Discriminant root field:  $\Q(\sqrt{58740\!\cdots\!04477}$)
$\card{ \Aut(K/\Q) }$:  $1$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is not Galois over $\Q$.
This is not a CM field.

Integral basis (with respect to field generator \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $a^{20}$, $a^{21}$, $a^{22}$, $a^{23}$, $a^{24}$, $a^{25}$, $a^{26}$, $a^{27}$, $a^{28}$ Copy content Toggle raw display

sage: K.integral_basis()
 
gp: K.zk
 
magma: IntegralBasis(K);
 
oscar: basis(OK)
 

Monogenic:  Yes
Index:  $1$
Inessential primes:  None

Class group and class number

Trivial group, which has order $1$ (assuming GRH)

sage: K.class_group().invariants()
 
gp: K.clgp
 
magma: ClassGroup(K);
 
oscar: class_group(K)
 

Unit group

sage: UK = K.unit_group()
 
magma: UK, fUK := UnitGroup(K);
 
oscar: UK, fUK = unit_group(OK)
 
Rank:  $14$
sage: UK.rank()
 
gp: K.fu
 
magma: UnitRank(K);
 
oscar: rank(UK)
 
Torsion generator:   \( -1 \)  (order $2$) Copy content Toggle raw display
sage: UK.torsion_generator()
 
gp: K.tu[2]
 
magma: K!f(TU.1) where TU,f is TorsionUnitGroup(K);
 
oscar: torsion_units_generator(OK)
 
Fundamental units:   $a^{27}-2a^{26}+2a^{25}-2a^{24}+a^{23}-a^{21}+2a^{20}-2a^{19}+2a^{18}-a^{17}+a^{15}-2a^{14}+2a^{13}-2a^{12}-3a^{9}+2a^{8}-4a^{7}+2a^{6}-2a^{5}-a^{4}+a^{3}-4a^{2}+3a-4$, $a^{28}+a^{27}+a^{26}+a^{25}+a^{24}+a^{23}+a^{22}+a^{21}+a^{20}+a^{19}+a^{18}+a^{17}+a^{16}+a^{15}+a^{14}+a^{13}+a^{12}+a^{11}+a^{10}+a^{9}+a^{8}+a^{7}+a^{6}+a^{5}+a^{4}+a^{3}+a^{2}+2a+2$, $a^{28}-2a^{26}-a^{25}+2a^{24}+a^{23}-a^{22}+a^{20}-3a^{18}-a^{17}+4a^{16}+2a^{15}-2a^{14}-2a^{13}+a^{12}+a^{11}-3a^{10}-a^{9}+5a^{8}+3a^{7}-3a^{6}-5a^{5}+4a^{3}-a^{2}-a+2$, $a^{27}-a^{26}+2a^{25}-a^{24}+2a^{23}-a^{22}+a^{21}-a^{20}+a^{19}+a^{17}+a^{16}+2a^{14}-2a^{13}+3a^{12}-3a^{11}+4a^{10}-2a^{9}+3a^{8}+3a^{5}-2a^{4}+5a^{3}-3a^{2}+4a-2$, $a^{28}-3a^{27}+3a^{26}+a^{24}-a^{23}-2a^{22}+5a^{21}-2a^{20}+4a^{19}-5a^{18}+3a^{17}+a^{16}+2a^{15}-a^{14}-3a^{13}+a^{12}+a^{11}+3a^{10}-7a^{9}+a^{8}-4a^{7}+6a^{6}-3a^{5}-5a^{4}-2a^{3}-a^{2}+7a-7$, $3a^{28}+3a^{27}+5a^{25}-4a^{23}-5a^{21}-4a^{20}+4a^{19}+4a^{17}+8a^{16}-a^{15}-a^{14}-11a^{12}-3a^{11}-2a^{9}+9a^{8}+10a^{7}+a^{6}+7a^{5}-5a^{4}-14a^{3}-4a^{2}-9a-10$, $2a^{28}+a^{27}-2a^{26}-a^{25}+a^{24}+2a^{23}-a^{22}-2a^{21}+2a^{19}+2a^{18}-2a^{17}-3a^{16}+4a^{14}+3a^{13}-4a^{12}-5a^{11}+a^{10}+7a^{9}+2a^{8}-6a^{7}-4a^{6}+2a^{5}+6a^{4}+2a^{3}-5a^{2}-5a-2$, $a^{27}+a^{26}-a^{25}+a^{24}+2a^{23}-4a^{22}+4a^{21}-a^{20}-4a^{19}+6a^{18}-6a^{17}+4a^{15}-8a^{14}+3a^{13}+a^{12}-7a^{11}+4a^{10}-6a^{8}+6a^{7}-a^{6}-4a^{5}+8a^{4}-3a^{3}+7a-2$, $a^{26}+a^{24}+2a^{23}-a^{21}-2a^{19}-a^{18}-2a^{16}-a^{15}+a^{14}+2a^{12}+2a^{11}+a^{10}+2a^{9}+a^{8}-3a^{5}-3a^{4}-3a^{3}-4a^{2}+2$, $4a^{28}-a^{27}-2a^{26}-2a^{25}+2a^{24}+4a^{23}-2a^{22}-2a^{21}-3a^{20}+6a^{19}+a^{17}-8a^{16}+4a^{15}+a^{14}+7a^{13}-9a^{12}-a^{11}-3a^{10}+12a^{9}-3a^{8}-3a^{7}-10a^{6}+10a^{5}+4a^{4}+a^{3}-13a^{2}+a-2$, $2a^{28}+4a^{27}+6a^{26}+5a^{25}+2a^{24}-2a^{23}-8a^{22}-9a^{21}-4a^{20}+2a^{18}+9a^{17}+12a^{16}+5a^{15}-3a^{14}-8a^{13}-12a^{12}-12a^{11}-6a^{10}+2a^{9}+14a^{8}+20a^{7}+12a^{6}+a^{5}-5a^{4}-17a^{3}-28a^{2}-19a-4$, $3a^{28}-a^{27}-2a^{26}+a^{25}+a^{24}-2a^{22}-2a^{21}+a^{20}+a^{19}+3a^{18}-2a^{16}-a^{15}+a^{14}+3a^{13}-5a^{12}-4a^{11}+a^{10}+9a^{9}+3a^{8}-7a^{7}-4a^{6}+5a^{5}+5a^{4}-6a^{3}-12a^{2}+4a+4$, $19a^{28}-20a^{27}+24a^{26}-23a^{25}+27a^{24}-21a^{23}+19a^{22}-7a^{21}-2a^{20}+13a^{19}-17a^{18}+21a^{17}-24a^{16}+24a^{15}-30a^{14}+24a^{13}-23a^{12}+7a^{11}-2a^{10}-17a^{9}+14a^{8}-24a^{7}+22a^{6}-30a^{5}+29a^{4}-32a^{3}+26a^{2}-10a-34$, $a^{28}+a^{27}-3a^{26}-a^{25}+2a^{24}-a^{23}+2a^{22}+2a^{21}-2a^{20}-3a^{19}+2a^{18}-2a^{16}+4a^{15}+a^{14}-2a^{13}-a^{11}-4a^{10}+3a^{9}+6a^{8}-2a^{7}-2a^{6}-5a^{4}-a^{3}+6a^{2}-2$ Copy content Toggle raw display (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:  \( 47730899898626100 \) (assuming GRH)
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{1}\cdot(2\pi)^{14}\cdot 47730899898626100 \cdot 1}{2\cdot\sqrt{58740405420479006992414084652221434564422848468416004477}}\cr\approx \mathstrut & 0.930784858138733 \end{aligned}\] (assuming GRH)

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^29 - 2*x - 3)
 
DK = K.disc(); r1,r2 = K.signature(); RK = K.regulator(); RR = RK.parent()
 
hK = K.class_number(); wK = K.unit_group().torsion_generator().order();
 
2^r1 * (2*RR(pi))^r2 * RK * hK / (wK * RR(sqrt(abs(DK))))
 
# self-contained Pari/GP code snippet to compute the analytic class number formula
 
K = bnfinit(x^29 - 2*x - 3, 1);
 
[polcoeff (lfunrootres (lfuncreate (K))[1][1][2], -1), 2^K.r1 * (2*Pi)^K.r2 * K.reg * K.no / (K.tu[1] * sqrt (abs (K.disc)))]
 
/* self-contained Magma code snippet to compute the analytic class number formula */
 
Qx<x> := PolynomialRing(QQ); K<a> := NumberField(x^29 - 2*x - 3);
 
OK := Integers(K); DK := Discriminant(OK);
 
UK, fUK := UnitGroup(OK); clK, fclK := ClassGroup(OK);
 
r1,r2 := Signature(K); RK := Regulator(K); RR := Parent(RK);
 
hK := #clK; wK := #TorsionSubgroup(UK);
 
2^r1 * (2*Pi(RR))^r2 * RK * hK / (wK * Sqrt(RR!Abs(DK)));
 
# self-contained Oscar code snippet to compute the analytic class number formula
 
Qx, x = PolynomialRing(QQ); K, a = NumberField(x^29 - 2*x - 3);
 
OK = ring_of_integers(K); DK = discriminant(OK);
 
UK, fUK = unit_group(OK); clK, fclK = class_group(OK);
 
r1,r2 = signature(K); RK = regulator(K); RR = parent(RK);
 
hK = order(clK); wK = torsion_units_order(K);
 
2^r1 * (2*pi)^r2 * RK * hK / (wK * sqrt(RR(abs(DK))))
 

Galois group

$S_{29}$ (as 29T8):

sage: K.galois_group(type='pari')
 
gp: polgalois(K.pol)
 
magma: G = GaloisGroup(K);
 
oscar: G, Gtx = galois_group(K); G, transitive_group_identification(G)
 
A non-solvable group of order 8841761993739701954543616000000
The 4565 conjugacy class representatives for $S_{29}$ are not computed
Character table for $S_{29}$ is not computed

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q$.
sage: K.subfields()[1:-1]
 
gp: L = nfsubfields(K); L[2..length(b)]
 
magma: L := Subfields(K); L[2..#L];
 
oscar: subfields(K)[2:end-1]
 

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type $28{,}\,{\href{/padicField/2.1.0.1}{1} }$ ${\href{/padicField/3.6.0.1}{6} }^{4}{,}\,{\href{/padicField/3.2.0.1}{2} }^{2}{,}\,{\href{/padicField/3.1.0.1}{1} }$ $28{,}\,{\href{/padicField/5.1.0.1}{1} }$ $21{,}\,{\href{/padicField/7.6.0.1}{6} }{,}\,{\href{/padicField/7.2.0.1}{2} }$ $16{,}\,{\href{/padicField/11.11.0.1}{11} }{,}\,{\href{/padicField/11.2.0.1}{2} }$ ${\href{/padicField/13.13.0.1}{13} }{,}\,{\href{/padicField/13.9.0.1}{9} }{,}\,{\href{/padicField/13.5.0.1}{5} }{,}\,{\href{/padicField/13.1.0.1}{1} }^{2}$ $26{,}\,{\href{/padicField/17.3.0.1}{3} }$ ${\href{/padicField/19.8.0.1}{8} }^{2}{,}\,{\href{/padicField/19.6.0.1}{6} }{,}\,{\href{/padicField/19.4.0.1}{4} }{,}\,{\href{/padicField/19.2.0.1}{2} }{,}\,{\href{/padicField/19.1.0.1}{1} }$ $18{,}\,{\href{/padicField/23.6.0.1}{6} }{,}\,{\href{/padicField/23.5.0.1}{5} }$ $28{,}\,{\href{/padicField/29.1.0.1}{1} }$ ${\href{/padicField/31.13.0.1}{13} }{,}\,{\href{/padicField/31.10.0.1}{10} }{,}\,{\href{/padicField/31.4.0.1}{4} }{,}\,{\href{/padicField/31.2.0.1}{2} }$ $24{,}\,{\href{/padicField/37.3.0.1}{3} }{,}\,{\href{/padicField/37.2.0.1}{2} }$ $19{,}\,{\href{/padicField/41.5.0.1}{5} }{,}\,{\href{/padicField/41.3.0.1}{3} }{,}\,{\href{/padicField/41.1.0.1}{1} }^{2}$ R $17{,}\,{\href{/padicField/47.4.0.1}{4} }{,}\,{\href{/padicField/47.3.0.1}{3} }{,}\,{\href{/padicField/47.2.0.1}{2} }^{2}{,}\,{\href{/padicField/47.1.0.1}{1} }$ $17{,}\,{\href{/padicField/53.9.0.1}{9} }{,}\,{\href{/padicField/53.1.0.1}{1} }^{3}$ $15{,}\,{\href{/padicField/59.6.0.1}{6} }^{2}{,}\,{\href{/padicField/59.2.0.1}{2} }$

In the table, R denotes a ramified prime. Cycle lengths which are repeated in a cycle type are indicated by exponents.

# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Sage:
 
p = 7; [(e, pr.norm().valuation(p)) for pr,e in K.factor(p)]
 
\\ to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Pari:
 
p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])
 
// to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7 in Magma:
 
p := 7; [<pr[2], Valuation(Norm(pr[1]), p)> : pr in Factorization(p*Integers(K))];
 
# to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7$ in Oscar:
 
p = 7; pfac = factor(ideal(ring_of_integers(K), p)); [(e, valuation(norm(pr),p)) for (pr,e) in pfac]
 

Local algebras for ramified primes

$p$LabelPolynomial $e$ $f$ $c$ Galois group Slope content
\(43\) Copy content Toggle raw display $\Q_{43}$$x + 40$$1$$1$$0$Trivial$[\ ]$
43.2.1.1$x^{2} + 86$$2$$1$$1$$C_2$$[\ ]_{2}$
43.2.0.1$x^{2} + 42 x + 3$$1$$2$$0$$C_2$$[\ ]^{2}$
43.12.0.1$x^{12} + 34 x^{7} + 27 x^{6} + 16 x^{5} + 17 x^{4} + 6 x^{3} + 23 x^{2} + 38 x + 3$$1$$12$$0$$C_{12}$$[\ ]^{12}$
43.12.0.1$x^{12} + 34 x^{7} + 27 x^{6} + 16 x^{5} + 17 x^{4} + 6 x^{3} + 23 x^{2} + 38 x + 3$$1$$12$$0$$C_{12}$$[\ ]^{12}$
\(907\) Copy content Toggle raw display $\Q_{907}$$x$$1$$1$$0$Trivial$[\ ]$
$\Q_{907}$$x$$1$$1$$0$Trivial$[\ ]$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $4$$1$$4$$0$$C_4$$[\ ]^{4}$
Deg $21$$1$$21$$0$$C_{21}$$[\ ]^{21}$
\(40322333\) Copy content Toggle raw display $\Q_{40322333}$$x$$1$$1$$0$Trivial$[\ ]$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $26$$1$$26$$0$$C_{26}$$[\ ]^{26}$
\(5439157486181\) Copy content Toggle raw display $\Q_{5439157486181}$$x$$1$$1$$0$Trivial$[\ ]$
$\Q_{5439157486181}$$x$$1$$1$$0$Trivial$[\ ]$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $5$$1$$5$$0$$C_5$$[\ ]^{5}$
Deg $7$$1$$7$$0$$C_7$$[\ ]^{7}$
Deg $13$$1$$13$$0$$C_{13}$$[\ ]^{13}$
\(686\!\cdots\!749\) Copy content Toggle raw display Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$1$$2$$0$$C_2$$[\ ]^{2}$
Deg $2$$2$$1$$1$$C_2$$[\ ]_{2}$
Deg $23$$1$$23$$0$$C_{23}$$[\ ]^{23}$