Properties

Label 18.2.243...576.1
Degree $18$
Signature $(2, 8)$
Discriminant $2.433\times 10^{34}$
Root discriminant \(81.35\)
Ramified primes $2,3$
Class number $1$ (GRH)
Class group trivial (GRH)
Galois group $A_{18}$ (as 18T982)

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Normalized defining polynomial

Copy content comment:Define the number field
 
Copy content sage:x = polygen(QQ); K.<a> = NumberField(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763)
 
Copy content gp:K = bnfinit(y^18 - 8*y^17 + 37*y^16 - 144*y^15 + 480*y^14 - 960*y^13 + 1800*y^12 - 2304*y^11 - 2466*y^10 + 25712*y^9 - 38242*y^8 + 203984*y^7 - 157224*y^6 + 604416*y^5 - 535056*y^4 + 669792*y^3 - 1099311*y^2 + 576120*y - 299763, 1)
 
Copy content magma:R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763);
 
Copy content oscar:Qx, x = polynomial_ring(QQ); K, a = number_field(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763)
 

\( x^{18} - 8 x^{17} + 37 x^{16} - 144 x^{15} + 480 x^{14} - 960 x^{13} + 1800 x^{12} - 2304 x^{11} + \cdots - 299763 \) Copy content Toggle raw display

Copy content comment:Defining polynomial
 
Copy content sage:K.defining_polynomial()
 
Copy content gp:K.pol
 
Copy content magma:DefiningPolynomial(K);
 
Copy content oscar:defining_polynomial(K)
 

Invariants

Degree:  $18$
Copy content comment:Degree over Q
 
Copy content sage:K.degree()
 
Copy content gp:poldegree(K.pol)
 
Copy content magma:Degree(K);
 
Copy content oscar:degree(K)
 
Signature:  $(2, 8)$
Copy content comment:Signature
 
Copy content sage:K.signature()
 
Copy content gp:K.sign
 
Copy content magma:Signature(K);
 
Copy content oscar:signature(K)
 
Discriminant:   \(24334781169379526551941294720024576\) \(\medspace = 2^{54}\cdot 3^{38}\) Copy content Toggle raw display
Copy content comment:Discriminant
 
Copy content sage:K.disc()
 
Copy content gp:K.disc
 
Copy content magma:OK := Integers(K); Discriminant(OK);
 
Copy content oscar:OK = ring_of_integers(K); discriminant(OK)
 
Root discriminant:  \(81.35\)
Copy content comment:Root discriminant
 
Copy content sage:(K.disc().abs())^(1./K.degree())
 
Copy content gp:abs(K.disc)^(1/poldegree(K.pol))
 
Copy content magma:Abs(Discriminant(OK))^(1/Degree(K));
 
Copy content oscar:OK = ring_of_integers(K); (1.0 * abs(discriminant(OK)))^(1/degree(K))
 
Galois root discriminant:  not computed
Ramified primes:   \(2\), \(3\) Copy content Toggle raw display
Copy content comment:Ramified primes
 
Copy content sage:K.disc().support()
 
Copy content gp:factor(abs(K.disc))[,1]~
 
Copy content magma:PrimeDivisors(Discriminant(OK));
 
Copy content oscar:prime_divisors(discriminant(OK))
 
Discriminant root field:  \(\Q\)
$\Aut(K/\Q)$:   $C_1$
Copy content comment:Automorphisms
 
Copy content sage:K.automorphisms()
 
Copy content magma:Automorphisms(K);
 
Copy content oscar:automorphism_group(K)
 
This field is not Galois over $\Q$.
This is not a CM field.
This field has no CM subfields.

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

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{4}-\frac{1}{2}a^{2}-\frac{1}{2}$, $\frac{1}{2}a^{7}-\frac{1}{2}a^{5}-\frac{1}{2}a^{3}-\frac{1}{2}a$, $\frac{1}{2}a^{8}-\frac{1}{2}$, $\frac{1}{2}a^{9}-\frac{1}{2}a$, $\frac{1}{2}a^{10}-\frac{1}{2}a^{2}$, $\frac{1}{12}a^{11}+\frac{1}{12}a^{10}+\frac{1}{12}a^{9}-\frac{1}{12}a^{8}+\frac{1}{6}a^{7}+\frac{1}{6}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{4}a^{3}-\frac{1}{4}a^{2}-\frac{1}{4}a+\frac{1}{4}$, $\frac{1}{12}a^{12}-\frac{1}{6}a^{9}-\frac{1}{4}a^{8}-\frac{1}{6}a^{6}-\frac{1}{4}a^{4}-\frac{1}{2}a^{2}-\frac{1}{2}a-\frac{1}{4}$, $\frac{1}{12}a^{13}-\frac{1}{6}a^{10}-\frac{1}{4}a^{9}-\frac{1}{6}a^{7}-\frac{1}{4}a^{5}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}-\frac{1}{4}a$, $\frac{1}{12}a^{14}-\frac{1}{12}a^{10}+\frac{1}{6}a^{9}+\frac{1}{6}a^{8}-\frac{1}{6}a^{7}+\frac{1}{12}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{3}+\frac{1}{4}a^{2}$, $\frac{1}{12}a^{15}-\frac{1}{4}a^{10}-\frac{1}{4}a^{9}-\frac{1}{4}a^{8}-\frac{1}{4}a^{7}+\frac{1}{6}a^{6}-\frac{1}{2}a^{5}-\frac{1}{2}a^{4}-\frac{1}{2}a^{3}-\frac{1}{4}a^{2}-\frac{1}{4}a-\frac{1}{4}$, $\frac{1}{72}a^{16}-\frac{1}{6}a^{10}-\frac{1}{4}a^{8}-\frac{1}{18}a^{7}-\frac{1}{2}a^{5}-\frac{1}{3}a^{4}-\frac{1}{2}a^{3}-\frac{1}{2}a^{2}+\frac{1}{6}a+\frac{1}{8}$, $\frac{1}{61\cdots 68}a^{17}+\frac{25\cdots 17}{15\cdots 42}a^{16}-\frac{13\cdots 59}{51\cdots 14}a^{15}+\frac{32\cdots 31}{10\cdots 28}a^{14}-\frac{10\cdots 83}{10\cdots 28}a^{13}+\frac{61\cdots 09}{17\cdots 38}a^{12}+\frac{18\cdots 66}{85\cdots 19}a^{11}-\frac{30\cdots 89}{34\cdots 76}a^{10}+\frac{24\cdots 31}{85\cdots 19}a^{9}+\frac{17\cdots 97}{77\cdots 71}a^{8}-\frac{52\cdots 89}{77\cdots 71}a^{7}-\frac{17\cdots 67}{10\cdots 28}a^{6}+\frac{20\cdots 49}{10\cdots 28}a^{5}+\frac{23\cdots 47}{51\cdots 14}a^{4}-\frac{56\cdots 05}{17\cdots 38}a^{3}-\frac{11\cdots 81}{10\cdots 28}a^{2}-\frac{15\cdots 63}{20\cdots 56}a-\frac{46\cdots 17}{17\cdots 38}$ Copy content Toggle raw display

Copy content comment:Integral basis
 
Copy content sage:K.integral_basis()
 
Copy content gp:K.zk
 
Copy content magma:IntegralBasis(K);
 
Copy content oscar:basis(OK)
 

Monogenic:  No
Index:  Not computed
Inessential primes:  $3$

Class group and class number

Ideal class group:  Trivial group, which has order $1$ (assuming GRH)
Copy content comment:Class group
 
Copy content sage:K.class_group().invariants()
 
Copy content gp:K.clgp
 
Copy content magma:ClassGroup(K);
 
Copy content oscar:class_group(K)
 
Narrow class group:  Trivial group, which has order $1$ (assuming GRH)
Copy content comment:Narrow class group
 
Copy content sage:K.narrow_class_group().invariants()
 
Copy content gp:bnfnarrow(K)
 
Copy content magma:NarrowClassGroup(K);
 

Unit group

Copy content comment:Unit group
 
Copy content sage:UK = K.unit_group()
 
Copy content magma:UK, fUK := UnitGroup(K);
 
Copy content oscar:UK, fUK = unit_group(OK)
 
Rank:  $9$
Copy content comment:Unit rank
 
Copy content sage:UK.rank()
 
Copy content gp:K.fu
 
Copy content magma:UnitRank(K);
 
Copy content oscar:rank(UK)
 
Torsion generator:   \( -1 \)  (order $2$) Copy content Toggle raw display
Copy content comment:Generator for roots of unity
 
Copy content sage:UK.torsion_generator()
 
Copy content gp:K.tu[2]
 
Copy content magma:K!f(TU.1) where TU,f is TorsionUnitGroup(K);
 
Copy content oscar:torsion_units_generator(OK)
 
Fundamental units:   $\frac{24\cdots 25}{30\cdots 84}a^{17}+\frac{27\cdots 71}{15\cdots 42}a^{16}-\frac{17\cdots 59}{10\cdots 28}a^{15}+\frac{14\cdots 39}{25\cdots 57}a^{14}-\frac{28\cdots 75}{10\cdots 28}a^{13}+\frac{97\cdots 48}{85\cdots 19}a^{12}-\frac{60\cdots 92}{85\cdots 19}a^{11}+\frac{14\cdots 93}{34\cdots 76}a^{10}-\frac{78\cdots 49}{17\cdots 38}a^{9}-\frac{23\cdots 31}{30\cdots 84}a^{8}+\frac{31\cdots 61}{30\cdots 84}a^{7}+\frac{43\cdots 49}{51\cdots 14}a^{6}+\frac{63\cdots 95}{10\cdots 28}a^{5}-\frac{49\cdots 89}{51\cdots 14}a^{4}+\frac{51\cdots 57}{85\cdots 19}a^{3}-\frac{94\cdots 05}{10\cdots 28}a^{2}+\frac{59\cdots 71}{10\cdots 28}a-\frac{91\cdots 41}{34\cdots 76}$, $\frac{77\cdots 79}{20\cdots 56}a^{17}+\frac{79\cdots 59}{22\cdots 84}a^{16}-\frac{29\cdots 45}{17\cdots 38}a^{15}+\frac{56\cdots 10}{85\cdots 19}a^{14}-\frac{25\cdots 79}{11\cdots 92}a^{13}+\frac{82\cdots 31}{17\cdots 38}a^{12}-\frac{87\cdots 63}{11\cdots 92}a^{11}+\frac{10\cdots 81}{11\cdots 92}a^{10}+\frac{33\cdots 37}{34\cdots 76}a^{9}-\frac{63\cdots 83}{51\cdots 14}a^{8}+\frac{14\cdots 29}{57\cdots 46}a^{7}-\frac{20\cdots 47}{28\cdots 73}a^{6}+\frac{37\cdots 29}{34\cdots 76}a^{5}-\frac{11\cdots 19}{57\cdots 46}a^{4}+\frac{28\cdots 95}{11\cdots 92}a^{3}-\frac{83\cdots 87}{34\cdots 76}a^{2}+\frac{87\cdots 09}{22\cdots 84}a-\frac{63\cdots 47}{22\cdots 84}$, $\frac{79\cdots 69}{61\cdots 68}a^{17}+\frac{78\cdots 39}{61\cdots 68}a^{16}-\frac{63\cdots 97}{10\cdots 28}a^{15}+\frac{23\cdots 17}{10\cdots 28}a^{14}-\frac{81\cdots 45}{10\cdots 28}a^{13}+\frac{61\cdots 03}{34\cdots 76}a^{12}-\frac{30\cdots 59}{11\cdots 92}a^{11}+\frac{13\cdots 95}{34\cdots 76}a^{10}+\frac{17\cdots 76}{85\cdots 19}a^{9}-\frac{73\cdots 77}{15\cdots 42}a^{8}+\frac{29\cdots 17}{30\cdots 84}a^{7}-\frac{22\cdots 51}{10\cdots 28}a^{6}+\frac{61\cdots 39}{10\cdots 28}a^{5}-\frac{59\cdots 91}{10\cdots 28}a^{4}+\frac{31\cdots 11}{34\cdots 76}a^{3}-\frac{11\cdots 35}{10\cdots 28}a^{2}+\frac{12\cdots 55}{20\cdots 56}a-\frac{18\cdots 07}{68\cdots 52}$, $\frac{87\cdots 73}{61\cdots 68}a^{17}-\frac{69\cdots 63}{61\cdots 68}a^{16}+\frac{51\cdots 69}{10\cdots 28}a^{15}-\frac{19\cdots 01}{10\cdots 28}a^{14}+\frac{16\cdots 58}{25\cdots 57}a^{13}-\frac{40\cdots 15}{34\cdots 76}a^{12}+\frac{17\cdots 48}{85\cdots 19}a^{11}-\frac{20\cdots 96}{85\cdots 19}a^{10}-\frac{39\cdots 17}{85\cdots 19}a^{9}+\frac{11\cdots 39}{30\cdots 84}a^{8}-\frac{14\cdots 63}{30\cdots 84}a^{7}+\frac{26\cdots 59}{10\cdots 28}a^{6}-\frac{44\cdots 34}{25\cdots 57}a^{5}+\frac{73\cdots 79}{10\cdots 28}a^{4}-\frac{46\cdots 64}{85\cdots 19}a^{3}+\frac{31\cdots 55}{51\cdots 14}a^{2}-\frac{25\cdots 43}{20\cdots 56}a+\frac{21\cdots 97}{68\cdots 52}$, $\frac{58\cdots 93}{15\cdots 42}a^{17}-\frac{46\cdots 75}{15\cdots 42}a^{16}+\frac{69\cdots 13}{51\cdots 14}a^{15}-\frac{26\cdots 67}{51\cdots 14}a^{14}+\frac{44\cdots 92}{25\cdots 57}a^{13}-\frac{11\cdots 89}{34\cdots 76}a^{12}+\frac{34\cdots 09}{57\cdots 46}a^{11}-\frac{12\cdots 75}{17\cdots 38}a^{10}-\frac{10\cdots 19}{85\cdots 19}a^{9}+\frac{30\cdots 11}{30\cdots 84}a^{8}-\frac{98\cdots 08}{77\cdots 71}a^{7}+\frac{18\cdots 51}{25\cdots 57}a^{6}-\frac{24\cdots 99}{51\cdots 14}a^{5}+\frac{20\cdots 29}{10\cdots 28}a^{4}-\frac{14\cdots 26}{85\cdots 19}a^{3}+\frac{44\cdots 34}{25\cdots 57}a^{2}-\frac{94\cdots 05}{25\cdots 57}a+\frac{42\cdots 69}{34\cdots 76}$, $\frac{86\cdots 21}{68\cdots 52}a^{17}+\frac{11\cdots 11}{68\cdots 52}a^{16}-\frac{32\cdots 79}{34\cdots 76}a^{15}+\frac{41\cdots 07}{11\cdots 92}a^{14}-\frac{10\cdots 06}{85\cdots 19}a^{13}+\frac{97\cdots 35}{34\cdots 76}a^{12}-\frac{51\cdots 81}{17\cdots 38}a^{11}+\frac{74\cdots 19}{85\cdots 19}a^{10}+\frac{43\cdots 58}{28\cdots 73}a^{9}-\frac{10\cdots 37}{11\cdots 92}a^{8}+\frac{76\cdots 47}{34\cdots 76}a^{7}-\frac{27\cdots 41}{11\cdots 92}a^{6}+\frac{24\cdots 77}{28\cdots 73}a^{5}+\frac{55\cdots 17}{11\cdots 92}a^{4}+\frac{60\cdots 75}{57\cdots 46}a^{3}+\frac{14\cdots 37}{57\cdots 46}a^{2}-\frac{26\cdots 93}{22\cdots 84}a+\frac{24\cdots 25}{22\cdots 84}$, $\frac{10\cdots 77}{20\cdots 56}a^{17}+\frac{75\cdots 09}{20\cdots 56}a^{16}-\frac{25\cdots 39}{17\cdots 38}a^{15}+\frac{14\cdots 28}{28\cdots 73}a^{14}-\frac{42\cdots 70}{28\cdots 73}a^{13}+\frac{28\cdots 05}{17\cdots 38}a^{12}-\frac{99\cdots 31}{85\cdots 19}a^{11}-\frac{40\cdots 23}{28\cdots 73}a^{10}+\frac{28\cdots 79}{11\cdots 92}a^{9}-\frac{11\cdots 95}{10\cdots 28}a^{8}+\frac{15\cdots 07}{51\cdots 14}a^{7}-\frac{31\cdots 57}{57\cdots 46}a^{6}-\frac{22\cdots 53}{85\cdots 19}a^{5}-\frac{10\cdots 90}{85\cdots 19}a^{4}+\frac{82\cdots 34}{28\cdots 73}a^{3}+\frac{51\cdots 07}{17\cdots 38}a^{2}+\frac{83\cdots 09}{68\cdots 52}a+\frac{11\cdots 05}{22\cdots 84}$, $\frac{11\cdots 33}{61\cdots 68}a^{17}-\frac{12\cdots 69}{61\cdots 68}a^{16}-\frac{13\cdots 97}{25\cdots 57}a^{15}+\frac{38\cdots 27}{10\cdots 28}a^{14}-\frac{16\cdots 23}{10\cdots 28}a^{13}+\frac{55\cdots 48}{85\cdots 19}a^{12}-\frac{12\cdots 92}{85\cdots 19}a^{11}+\frac{25\cdots 81}{11\cdots 92}a^{10}-\frac{46\cdots 45}{57\cdots 46}a^{9}-\frac{24\cdots 89}{30\cdots 84}a^{8}+\frac{49\cdots 76}{77\cdots 71}a^{7}-\frac{12\cdots 99}{10\cdots 28}a^{6}+\frac{37\cdots 39}{10\cdots 28}a^{5}-\frac{12\cdots 94}{25\cdots 57}a^{4}+\frac{64\cdots 58}{85\cdots 19}a^{3}-\frac{88\cdots 81}{10\cdots 28}a^{2}+\frac{91\cdots 09}{20\cdots 56}a-\frac{12\cdots 49}{68\cdots 52}$, $\frac{89\cdots 87}{15\cdots 42}a^{17}-\frac{36\cdots 98}{77\cdots 71}a^{16}+\frac{21\cdots 23}{10\cdots 28}a^{15}-\frac{78\cdots 51}{10\cdots 28}a^{14}+\frac{24\cdots 79}{10\cdots 28}a^{13}-\frac{41\cdots 09}{11\cdots 92}a^{12}+\frac{33\cdots 45}{11\cdots 92}a^{11}+\frac{60\cdots 21}{11\cdots 92}a^{10}-\frac{16\cdots 87}{34\cdots 76}a^{9}+\frac{60\cdots 59}{30\cdots 84}a^{8}-\frac{67\cdots 93}{30\cdots 84}a^{7}+\frac{78\cdots 89}{10\cdots 28}a^{6}+\frac{43\cdots 17}{10\cdots 28}a^{5}+\frac{37\cdots 51}{10\cdots 28}a^{4}+\frac{43\cdots 41}{34\cdots 76}a^{3}-\frac{35\cdots 91}{10\cdots 28}a^{2}+\frac{20\cdots 75}{10\cdots 28}a-\frac{33\cdots 85}{34\cdots 76}$ Copy content Toggle raw display (assuming GRH)
Copy content comment:Fundamental units
 
Copy content sage:UK.fundamental_units()
 
Copy content gp:K.fu
 
Copy content magma:[K|fUK(g): g in Generators(UK)];
 
Copy content oscar:[K(fUK(a)) for a in gens(UK)]
 
Regulator:  \( 208003889751.14267 \) (assuming GRH)
Copy content comment:Regulator
 
Copy content sage:K.regulator()
 
Copy content gp:K.reg
 
Copy content magma:Regulator(K);
 
Copy content oscar:regulator(K)
 
Unit signature rank:  \( 2 \) (assuming GRH)

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{2}\cdot(2\pi)^{8}\cdot 208003889751.14267 \cdot 1}{2\cdot\sqrt{24334781169379526551941294720024576}}\cr\approx \mathstrut & 6.47778719130032 \end{aligned}\] (assuming GRH)

Copy content comment:Analytic class number formula
 
Copy content sage:# self-contained SageMath code snippet to compute the analytic class number formula x = polygen(QQ); K.<a> = NumberField(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763) 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))))
 
Copy content gp:\\ self-contained Pari/GP code snippet to compute the analytic class number formula K = bnfinit(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763, 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)))]
 
Copy content magma:/* self-contained Magma code snippet to compute the analytic class number formula */ Qx<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763); 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)));
 
Copy content oscar:# self-contained Oscar code snippet to compute the analytic class number formula Qx, x = polynomial_ring(QQ); K, a = number_field(x^18 - 8*x^17 + 37*x^16 - 144*x^15 + 480*x^14 - 960*x^13 + 1800*x^12 - 2304*x^11 - 2466*x^10 + 25712*x^9 - 38242*x^8 + 203984*x^7 - 157224*x^6 + 604416*x^5 - 535056*x^4 + 669792*x^3 - 1099311*x^2 + 576120*x - 299763); 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

$A_{18}$ (as 18T982):

Copy content comment:Galois group
 
Copy content sage:K.galois_group()
 
Copy content gp:polgalois(K.pol)
 
Copy content magma:G = GaloisGroup(K);
 
Copy content oscar:G, Gtx = galois_group(K); degree(K) > 1 ? (G, transitive_group_identification(G)) : (G, nothing)
 
A non-solvable group of order 3201186852864000
The 200 conjugacy class representatives for $A_{18}$
Character table for $A_{18}$

Intermediate fields

The extension is primitive: there are no intermediate fields between this field and $\Q$.
Copy content comment:Intermediate fields
 
Copy content sage:K.subfields()[1:-1]
 
Copy content gp:L = nfsubfields(K); L[2..length(L)]
 
Copy content magma:L := Subfields(K); L[2..#L];
 
Copy content 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 R $17{,}\,{\href{/padicField/5.1.0.1}{1} }$ $15{,}\,{\href{/padicField/7.3.0.1}{3} }$ ${\href{/padicField/11.8.0.1}{8} }{,}\,{\href{/padicField/11.6.0.1}{6} }{,}\,{\href{/padicField/11.3.0.1}{3} }{,}\,{\href{/padicField/11.1.0.1}{1} }$ ${\href{/padicField/13.8.0.1}{8} }{,}\,{\href{/padicField/13.5.0.1}{5} }{,}\,{\href{/padicField/13.4.0.1}{4} }{,}\,{\href{/padicField/13.1.0.1}{1} }$ $17{,}\,{\href{/padicField/17.1.0.1}{1} }$ ${\href{/padicField/19.6.0.1}{6} }{,}\,{\href{/padicField/19.5.0.1}{5} }{,}\,{\href{/padicField/19.3.0.1}{3} }{,}\,{\href{/padicField/19.2.0.1}{2} }{,}\,{\href{/padicField/19.1.0.1}{1} }^{2}$ $15{,}\,{\href{/padicField/23.3.0.1}{3} }$ $15{,}\,{\href{/padicField/29.1.0.1}{1} }^{3}$ ${\href{/padicField/31.14.0.1}{14} }{,}\,{\href{/padicField/31.2.0.1}{2} }{,}\,{\href{/padicField/31.1.0.1}{1} }^{2}$ $17{,}\,{\href{/padicField/37.1.0.1}{1} }$ ${\href{/padicField/41.9.0.1}{9} }{,}\,{\href{/padicField/41.5.0.1}{5} }{,}\,{\href{/padicField/41.3.0.1}{3} }{,}\,{\href{/padicField/41.1.0.1}{1} }$ ${\href{/padicField/43.9.0.1}{9} }{,}\,{\href{/padicField/43.4.0.1}{4} }{,}\,{\href{/padicField/43.3.0.1}{3} }{,}\,{\href{/padicField/43.2.0.1}{2} }$ ${\href{/padicField/47.7.0.1}{7} }^{2}{,}\,{\href{/padicField/47.3.0.1}{3} }{,}\,{\href{/padicField/47.1.0.1}{1} }$ $15{,}\,{\href{/padicField/53.3.0.1}{3} }$ $17{,}\,{\href{/padicField/59.1.0.1}{1} }$

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

Copy content comment:Frobenius cycle types
 
Copy content sage:# to obtain a list of [e_i,f_i] for the factorization of the ideal pO_K for p=7 in Sage: p = 7; [(e, pr.norm().valuation(p)) for pr,e in K.factor(p)]
 
Copy content gp:\\ to obtain a list of [e_i,f_i] for the factorization of the ideal pO_K for p=7 in Pari: p = 7; pfac = idealprimedec(K, p); vector(length(pfac), j, [pfac[j][3], pfac[j][4]])
 
Copy content magma:// to obtain a list of [e_i,f_i] for the factorization of the ideal pO_K for p=7 in Magma: p := 7; [<pr[2], Valuation(Norm(pr[1]), p)> : pr in Factorization(p*Integers(K))];
 
Copy content oscar:# to obtain a list of [e_i,f_i] for the factorization of the ideal pO_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 2.1.2.2a1.2$x^{2} + 2 x + 6$$2$$1$$2$$C_2$$$[2]$$
2.1.16.52e2.58$x^{16} + 8 x^{15} + 2 x^{12} + 8 x^{11} + 8 x^{9} + 2 x^{8} + 4 x^{6} + 8 x^{5} + 16 x^{4} + 2$$16$$1$$52$16T1658not computed
\(3\) Copy content Toggle raw display $\Q_{3}$$x + 1$$1$$1$$0$Trivial$$[\ ]$$
3.1.2.1a1.2$x^{2} + 6$$2$$1$$1$$C_2$$$[\ ]_{2}$$
3.1.6.11a2.5$x^{6} + 9 x^{2} + 9 x + 6$$6$$1$$11$$S_3^2$$$[2, \frac{5}{2}]_{2}^{2}$$
3.1.9.26a1.15$x^{9} + 54 x^{4} + 27 x^{2} + 27 x + 3$$9$$1$$26$$(C_3^3:C_3):C_2$$$[\frac{3}{2}, \frac{5}{2}, \frac{8}{3}, \frac{7}{2}]_{2}$$

Spectrum of ring of integers

(0)(0)(2)(3)(5)(7)(11)(13)(17)(19)(23)(29)(31)(37)(41)(43)(47)(53)(59)