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Properties

Label 44.0.482...224.1
Degree $44$
Signature $[0, 22]$
Discriminant $4.822\times 10^{83}$
Root discriminant \(79.78\)
Ramified primes $2,23$
Class number not computed
Class group not computed
Galois group $C_2\times C_{22}$ (as 44T2)

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Normalized defining polynomial

sage: x = polygen(QQ); K.<a> = NumberField(x^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1)
 
gp: K = bnfinit(y^44 + 44*y^42 + 901*y^40 + 11400*y^38 + 99790*y^36 + 641208*y^34 + 3131721*y^32 + 11878176*y^30 + 35442612*y^28 + 83778736*y^26 + 157236844*y^24 + 233880352*y^22 + 274130056*y^20 + 250699168*y^18 + 176290339*y^16 + 93382192*y^14 + 36217051*y^12 + 9883588*y^10 + 1792219*y^8 + 197912*y^6 + 11506*y^4 + 264*y^2 + 1, 1)
 
magma: R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1);
 
oscar: Qx, x = PolynomialRing(QQ); K, a = NumberField(x^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1)
 

\( x^{44} + 44 x^{42} + 901 x^{40} + 11400 x^{38} + 99790 x^{36} + 641208 x^{34} + 3131721 x^{32} + 11878176 x^{30} + 35442612 x^{28} + 83778736 x^{26} + 157236844 x^{24} + \cdots + 1 \) Copy content Toggle raw display

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

Invariants

Degree:  $44$
sage: K.degree()
 
gp: poldegree(K.pol)
 
magma: Degree(K);
 
oscar: degree(K)
 
Signature:  $[0, 22]$
sage: K.signature()
 
gp: K.sign
 
magma: Signature(K);
 
oscar: signature(K)
 
Discriminant:   \(482\!\cdots\!224\) \(\medspace = 2^{88}\cdot 23^{42}\) 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:  \(79.78\)
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))
 
Ramified primes:   \(2\), \(23\) 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:  \(\Q\)
$\card{ \Gal(K/\Q) }$:  $44$
sage: K.automorphisms()
 
magma: Automorphisms(K);
 
oscar: automorphisms(K)
 
This field is Galois and abelian over $\Q$.
Conductor:  \(184=2^{3}\cdot 23\)
Dirichlet character group:    $\lbrace$$\chi_{184}(1,·)$, $\chi_{184}(3,·)$, $\chi_{184}(5,·)$, $\chi_{184}(7,·)$, $\chi_{184}(9,·)$, $\chi_{184}(139,·)$, $\chi_{184}(15,·)$, $\chi_{184}(131,·)$, $\chi_{184}(21,·)$, $\chi_{184}(25,·)$, $\chi_{184}(27,·)$, $\chi_{184}(157,·)$, $\chi_{184}(159,·)$, $\chi_{184}(35,·)$, $\chi_{184}(37,·)$, $\chi_{184}(177,·)$, $\chi_{184}(41,·)$, $\chi_{184}(135,·)$, $\chi_{184}(45,·)$, $\chi_{184}(175,·)$, $\chi_{184}(49,·)$, $\chi_{184}(179,·)$, $\chi_{184}(53,·)$, $\chi_{184}(183,·)$, $\chi_{184}(59,·)$, $\chi_{184}(61,·)$, $\chi_{184}(63,·)$, $\chi_{184}(181,·)$, $\chi_{184}(73,·)$, $\chi_{184}(75,·)$, $\chi_{184}(79,·)$, $\chi_{184}(81,·)$, $\chi_{184}(163,·)$, $\chi_{184}(143,·)$, $\chi_{184}(103,·)$, $\chi_{184}(105,·)$, $\chi_{184}(109,·)$, $\chi_{184}(111,·)$, $\chi_{184}(147,·)$, $\chi_{184}(169,·)$, $\chi_{184}(121,·)$, $\chi_{184}(123,·)$, $\chi_{184}(125,·)$, $\chi_{184}(149,·)$$\rbrace$
This is a CM field.
Reflex fields:  unavailable$^{2097152}$

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $a^{20}$, $a^{21}$, $a^{22}$, $a^{23}$, $a^{24}$, $a^{25}$, $a^{26}$, $a^{27}$, $a^{28}$, $a^{29}$, $a^{30}$, $a^{31}$, $a^{32}$, $a^{33}$, $a^{34}$, $a^{35}$, $a^{36}$, $a^{37}$, $a^{38}$, $a^{39}$, $a^{40}$, $a^{41}$, $a^{42}$, $a^{43}$ 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

not computed

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:  $21$
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:  not computed
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:  not computed
sage: K.regulator()
 
gp: K.reg
 
magma: Regulator(K);
 
oscar: regulator(K)
 

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr $ not computed \end{aligned}\]

# self-contained SageMath code snippet to compute the analytic class number formula
 
x = polygen(QQ); K.<a> = NumberField(x^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1)
 
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^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1, 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^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1);
 
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^44 + 44*x^42 + 901*x^40 + 11400*x^38 + 99790*x^36 + 641208*x^34 + 3131721*x^32 + 11878176*x^30 + 35442612*x^28 + 83778736*x^26 + 157236844*x^24 + 233880352*x^22 + 274130056*x^20 + 250699168*x^18 + 176290339*x^16 + 93382192*x^14 + 36217051*x^12 + 9883588*x^10 + 1792219*x^8 + 197912*x^6 + 11506*x^4 + 264*x^2 + 1);
 
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

$C_2\times C_{22}$ (as 44T2):

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)
 
An abelian group of order 44
The 44 conjugacy class representatives for $C_2\times C_{22}$
Character table for $C_2\times C_{22}$ is not computed

Intermediate fields

\(\Q(\sqrt{-2}) \), \(\Q(\sqrt{-46}) \), \(\Q(\sqrt{23}) \), \(\Q(\sqrt{-2}, \sqrt{23})\), \(\Q(\zeta_{23})^+\), 22.0.14741666340843480753092741810452692992.1, 22.0.339058325839400057321133061640411938816.1, \(\Q(\zeta_{92})^+\)

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

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 R $22^{2}$ $22^{2}$ $22^{2}$ ${\href{/padicField/11.11.0.1}{11} }^{4}$ $22^{2}$ $22^{2}$ ${\href{/padicField/19.11.0.1}{11} }^{4}$ R $22^{2}$ $22^{2}$ $22^{2}$ ${\href{/padicField/41.11.0.1}{11} }^{4}$ ${\href{/padicField/43.11.0.1}{11} }^{4}$ ${\href{/padicField/47.2.0.1}{2} }^{22}$ $22^{2}$ $22^{2}$

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
\(2\) Copy content Toggle raw display Deg $44$$4$$11$$88$
\(23\) Copy content Toggle raw display Deg $44$$22$$2$$42$