Normalized defining polynomial
\( x^{16} - 5 x^{15} + 146 x^{14} - 1265 x^{13} + 2855 x^{12} + 46132 x^{11} - 283221 x^{10} + \cdots + 231877632771072 \)
Invariants
Degree: | $16$ | sage: K.degree()
gp: poldegree(K.pol)
magma: Degree(K);
oscar: degree(K)
| |
Signature: | $[0, 8]$ | sage: K.signature()
gp: K.sign
magma: Signature(K);
oscar: signature(K)
| |
Discriminant: | \(410614370925299326221754150224933859206386689\) \(\medspace = 29^{14}\cdot 53^{14}\) | sage: K.disc()
gp: K.disc
magma: OK := Integers(K); Discriminant(OK);
oscar: OK = ring_of_integers(K); discriminant(OK)
| |
Root discriminant: | \(614.24\) | 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: | $29^{7/8}53^{7/8}\approx 614.2421770815839$ | ||
Ramified primes: | \(29\), \(53\) | sage: K.disc().support()
gp: factor(abs(K.disc))[,1]~
magma: PrimeDivisors(Discriminant(OK));
oscar: prime_divisors(discriminant((OK)))
| |
Discriminant root field: | \(\Q\) | ||
$\card{ \Aut(K/\Q) }$: | $8$ | sage: K.automorphisms()
magma: Automorphisms(K);
oscar: automorphisms(K)
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This field is not Galois over $\Q$. | |||
This is a CM field. | |||
Reflex fields: | unavailable$^{128}$ |
Integral basis (with respect to field generator \(a\))
$1$, $a$, $a^{2}$, $a^{3}$, $\frac{1}{2}a^{4}-\frac{1}{2}a$, $\frac{1}{2}a^{5}-\frac{1}{2}a^{2}$, $\frac{1}{2}a^{6}-\frac{1}{2}a^{3}$, $\frac{1}{2}a^{7}-\frac{1}{2}a$, $\frac{1}{12}a^{8}+\frac{1}{6}a^{7}-\frac{1}{6}a^{6}+\frac{1}{6}a^{5}-\frac{1}{6}a^{4}+\frac{1}{6}a^{3}+\frac{1}{12}a^{2}-\frac{1}{3}a$, $\frac{1}{12}a^{9}+\frac{1}{4}a^{3}-\frac{1}{3}a$, $\frac{1}{24}a^{10}-\frac{1}{24}a^{9}-\frac{1}{4}a^{6}-\frac{1}{4}a^{5}+\frac{1}{8}a^{4}-\frac{3}{8}a^{3}-\frac{5}{12}a^{2}+\frac{1}{6}a$, $\frac{1}{72}a^{11}-\frac{1}{72}a^{10}+\frac{1}{36}a^{9}-\frac{1}{36}a^{8}+\frac{1}{36}a^{7}+\frac{5}{36}a^{6}+\frac{11}{72}a^{5}+\frac{7}{72}a^{4}-\frac{5}{18}a^{3}+\frac{7}{36}a^{2}+\frac{1}{3}a$, $\frac{1}{144}a^{12}-\frac{1}{72}a^{10}-\frac{1}{48}a^{9}-\frac{1}{24}a^{8}-\frac{1}{4}a^{7}-\frac{7}{48}a^{6}+\frac{1}{6}a^{5}+\frac{13}{72}a^{4}+\frac{7}{16}a^{3}-\frac{5}{72}a^{2}-\frac{1}{12}a$, $\frac{1}{864}a^{13}-\frac{1}{864}a^{12}+\frac{1}{288}a^{10}-\frac{5}{864}a^{9}-\frac{17}{432}a^{8}-\frac{125}{864}a^{7}+\frac{101}{864}a^{6}-\frac{1}{72}a^{5}-\frac{49}{288}a^{4}-\frac{383}{864}a^{3}+\frac{199}{432}a^{2}-\frac{23}{72}a-\frac{1}{3}$, $\frac{1}{1728}a^{14}-\frac{1}{1728}a^{13}-\frac{1}{288}a^{12}+\frac{1}{576}a^{11}-\frac{29}{1728}a^{10}-\frac{13}{432}a^{9}-\frac{17}{1728}a^{8}+\frac{29}{1728}a^{7}+\frac{31}{288}a^{6}+\frac{23}{576}a^{5}+\frac{73}{1728}a^{4}+\frac{17}{108}a^{3}+\frac{1}{8}a^{2}-\frac{11}{24}a$, $\frac{1}{41\!\cdots\!76}a^{15}+\frac{64\!\cdots\!11}{41\!\cdots\!76}a^{14}+\frac{11\!\cdots\!31}{20\!\cdots\!88}a^{13}+\frac{55\!\cdots\!19}{41\!\cdots\!76}a^{12}-\frac{26\!\cdots\!49}{41\!\cdots\!76}a^{11}+\frac{40\!\cdots\!43}{51\!\cdots\!72}a^{10}-\frac{30\!\cdots\!87}{13\!\cdots\!92}a^{9}-\frac{36\!\cdots\!09}{15\!\cdots\!88}a^{8}-\frac{80\!\cdots\!13}{20\!\cdots\!88}a^{7}-\frac{92\!\cdots\!67}{41\!\cdots\!76}a^{6}-\frac{26\!\cdots\!39}{41\!\cdots\!76}a^{5}-\frac{19\!\cdots\!03}{10\!\cdots\!44}a^{4}+\frac{13\!\cdots\!03}{10\!\cdots\!44}a^{3}-\frac{17\!\cdots\!65}{12\!\cdots\!68}a^{2}+\frac{54\!\cdots\!25}{86\!\cdots\!12}a+\frac{22\!\cdots\!81}{35\!\cdots\!63}$
Monogenic: | No | |
Index: | Not computed | |
Inessential primes: | $2$, $3$ |
Class group and class number
$C_{2}\times C_{3118}\times C_{6236}$, which has order $38887696$ (assuming GRH)
Unit group
Rank: | $7$ | sage: UK.rank()
gp: K.fu
magma: UnitRank(K);
oscar: rank(UK)
| |
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)
| |
Fundamental units: | $\frac{12\!\cdots\!11}{17\!\cdots\!68}a^{15}+\frac{23\!\cdots\!47}{19\!\cdots\!52}a^{14}+\frac{22\!\cdots\!59}{21\!\cdots\!96}a^{13}-\frac{11\!\cdots\!69}{57\!\cdots\!56}a^{12}-\frac{37\!\cdots\!53}{17\!\cdots\!68}a^{11}+\frac{87\!\cdots\!37}{28\!\cdots\!28}a^{10}+\frac{72\!\cdots\!99}{64\!\cdots\!84}a^{9}+\frac{44\!\cdots\!19}{57\!\cdots\!56}a^{8}+\frac{45\!\cdots\!19}{43\!\cdots\!92}a^{7}-\frac{39\!\cdots\!31}{57\!\cdots\!56}a^{6}+\frac{15\!\cdots\!05}{17\!\cdots\!68}a^{5}-\frac{21\!\cdots\!63}{32\!\cdots\!92}a^{4}+\frac{21\!\cdots\!57}{54\!\cdots\!24}a^{3}-\frac{24\!\cdots\!11}{80\!\cdots\!48}a^{2}+\frac{50\!\cdots\!51}{40\!\cdots\!24}a-\frac{88\!\cdots\!49}{50\!\cdots\!03}$, $\frac{39\!\cdots\!23}{42\!\cdots\!12}a^{15}+\frac{21\!\cdots\!15}{12\!\cdots\!36}a^{14}+\frac{99\!\cdots\!81}{70\!\cdots\!52}a^{13}-\frac{34\!\cdots\!01}{12\!\cdots\!36}a^{12}-\frac{15\!\cdots\!39}{42\!\cdots\!12}a^{11}+\frac{13\!\cdots\!65}{31\!\cdots\!84}a^{10}+\frac{25\!\cdots\!23}{14\!\cdots\!04}a^{9}+\frac{14\!\cdots\!57}{14\!\cdots\!04}a^{8}+\frac{29\!\cdots\!15}{21\!\cdots\!56}a^{7}-\frac{11\!\cdots\!03}{12\!\cdots\!36}a^{6}+\frac{50\!\cdots\!71}{42\!\cdots\!12}a^{5}-\frac{14\!\cdots\!65}{15\!\cdots\!92}a^{4}+\frac{55\!\cdots\!85}{10\!\cdots\!28}a^{3}-\frac{15\!\cdots\!97}{39\!\cdots\!48}a^{2}+\frac{44\!\cdots\!23}{26\!\cdots\!32}a-\frac{26\!\cdots\!95}{10\!\cdots\!43}$, $\frac{13\!\cdots\!37}{14\!\cdots\!68}a^{15}+\frac{22\!\cdots\!09}{16\!\cdots\!52}a^{14}+\frac{49\!\cdots\!47}{36\!\cdots\!92}a^{13}-\frac{13\!\cdots\!23}{48\!\cdots\!56}a^{12}-\frac{20\!\cdots\!87}{14\!\cdots\!68}a^{11}+\frac{96\!\cdots\!61}{24\!\cdots\!28}a^{10}+\frac{32\!\cdots\!77}{48\!\cdots\!56}a^{9}+\frac{48\!\cdots\!65}{48\!\cdots\!56}a^{8}+\frac{12\!\cdots\!53}{90\!\cdots\!48}a^{7}-\frac{43\!\cdots\!25}{48\!\cdots\!56}a^{6}+\frac{17\!\cdots\!59}{14\!\cdots\!68}a^{5}-\frac{21\!\cdots\!15}{24\!\cdots\!28}a^{4}+\frac{59\!\cdots\!37}{11\!\cdots\!31}a^{3}-\frac{24\!\cdots\!05}{60\!\cdots\!32}a^{2}+\frac{17\!\cdots\!61}{10\!\cdots\!72}a-\frac{10\!\cdots\!00}{41\!\cdots\!53}$, $\frac{10\!\cdots\!77}{50\!\cdots\!36}a^{15}-\frac{59\!\cdots\!11}{72\!\cdots\!84}a^{14}+\frac{25\!\cdots\!11}{72\!\cdots\!84}a^{13}-\frac{10\!\cdots\!21}{12\!\cdots\!64}a^{12}+\frac{15\!\cdots\!49}{24\!\cdots\!28}a^{11}+\frac{40\!\cdots\!03}{72\!\cdots\!84}a^{10}-\frac{10\!\cdots\!91}{18\!\cdots\!96}a^{9}+\frac{83\!\cdots\!67}{72\!\cdots\!84}a^{8}-\frac{32\!\cdots\!27}{72\!\cdots\!84}a^{7}-\frac{13\!\cdots\!01}{12\!\cdots\!64}a^{6}+\frac{44\!\cdots\!55}{24\!\cdots\!28}a^{5}-\frac{59\!\cdots\!43}{72\!\cdots\!84}a^{4}+\frac{54\!\cdots\!35}{90\!\cdots\!48}a^{3}-\frac{63\!\cdots\!37}{10\!\cdots\!72}a^{2}+\frac{93\!\cdots\!47}{33\!\cdots\!24}a-\frac{13\!\cdots\!60}{41\!\cdots\!53}$, $\frac{14\!\cdots\!07}{14\!\cdots\!68}a^{15}+\frac{14\!\cdots\!27}{14\!\cdots\!68}a^{14}+\frac{27\!\cdots\!99}{18\!\cdots\!96}a^{13}-\frac{51\!\cdots\!59}{14\!\cdots\!68}a^{12}+\frac{78\!\cdots\!43}{14\!\cdots\!68}a^{11}+\frac{31\!\cdots\!23}{72\!\cdots\!84}a^{10}-\frac{13\!\cdots\!81}{48\!\cdots\!56}a^{9}+\frac{52\!\cdots\!91}{48\!\cdots\!56}a^{8}+\frac{50\!\cdots\!47}{36\!\cdots\!92}a^{7}-\frac{14\!\cdots\!93}{14\!\cdots\!68}a^{6}+\frac{20\!\cdots\!73}{14\!\cdots\!68}a^{5}-\frac{76\!\cdots\!73}{72\!\cdots\!84}a^{4}+\frac{23\!\cdots\!77}{36\!\cdots\!92}a^{3}-\frac{44\!\cdots\!07}{90\!\cdots\!48}a^{2}+\frac{30\!\cdots\!33}{15\!\cdots\!08}a-\frac{61\!\cdots\!89}{12\!\cdots\!59}$, $\frac{30\!\cdots\!83}{48\!\cdots\!56}a^{15}+\frac{75\!\cdots\!89}{14\!\cdots\!68}a^{14}-\frac{66\!\cdots\!43}{12\!\cdots\!64}a^{13}+\frac{88\!\cdots\!27}{14\!\cdots\!68}a^{12}-\frac{13\!\cdots\!73}{48\!\cdots\!56}a^{11}-\frac{32\!\cdots\!49}{72\!\cdots\!84}a^{10}+\frac{12\!\cdots\!71}{16\!\cdots\!52}a^{9}+\frac{11\!\cdots\!39}{16\!\cdots\!52}a^{8}-\frac{16\!\cdots\!53}{30\!\cdots\!16}a^{7}+\frac{99\!\cdots\!29}{14\!\cdots\!68}a^{6}-\frac{10\!\cdots\!21}{16\!\cdots\!52}a^{5}+\frac{36\!\cdots\!39}{72\!\cdots\!84}a^{4}-\frac{14\!\cdots\!59}{40\!\cdots\!88}a^{3}+\frac{23\!\cdots\!67}{11\!\cdots\!31}a^{2}-\frac{10\!\cdots\!89}{15\!\cdots\!08}a+\frac{11\!\cdots\!77}{12\!\cdots\!59}$, $\frac{71\!\cdots\!31}{35\!\cdots\!36}a^{15}+\frac{55\!\cdots\!43}{31\!\cdots\!24}a^{14}+\frac{26\!\cdots\!79}{26\!\cdots\!52}a^{13}+\frac{10\!\cdots\!81}{31\!\cdots\!24}a^{12}-\frac{40\!\cdots\!59}{10\!\cdots\!08}a^{11}+\frac{61\!\cdots\!01}{15\!\cdots\!12}a^{10}+\frac{50\!\cdots\!53}{35\!\cdots\!36}a^{9}-\frac{22\!\cdots\!41}{11\!\cdots\!12}a^{8}+\frac{93\!\cdots\!58}{16\!\cdots\!97}a^{7}-\frac{12\!\cdots\!89}{31\!\cdots\!24}a^{6}-\frac{28\!\cdots\!73}{10\!\cdots\!08}a^{5}+\frac{11\!\cdots\!49}{15\!\cdots\!12}a^{4}-\frac{10\!\cdots\!01}{14\!\cdots\!64}a^{3}+\frac{17\!\cdots\!17}{39\!\cdots\!28}a^{2}-\frac{89\!\cdots\!25}{66\!\cdots\!88}a+\frac{92\!\cdots\!03}{55\!\cdots\!99}$ (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: | \( 1358079502.6 \) (assuming GRH) | sage: K.regulator()
gp: K.reg
magma: Regulator(K);
oscar: regulator(K)
|
Class number formula
\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{0}\cdot(2\pi)^{8}\cdot 1358079502.6 \cdot 38887696}{2\cdot\sqrt{410614370925299326221754150224933859206386689}}\cr\approx \mathstrut & 3.1654050160 \end{aligned}\] (assuming GRH)
Galois group
$\OD_{16}:C_2$ (as 16T36):
A solvable group of order 32 |
The 11 conjugacy class representatives for $\OD_{16}:C_2$ |
Character table for $\OD_{16}:C_2$ |
Intermediate fields
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Sibling fields
Frobenius cycle types
$p$ | $2$ | $3$ | $5$ | $7$ | $11$ | $13$ | $17$ | $19$ | $23$ | $29$ | $31$ | $37$ | $41$ | $43$ | $47$ | $53$ | $59$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cycle type | ${\href{/padicField/2.2.0.1}{2} }^{8}$ | ${\href{/padicField/3.2.0.1}{2} }^{8}$ | ${\href{/padicField/5.8.0.1}{8} }^{2}$ | ${\href{/padicField/7.4.0.1}{4} }^{4}$ | ${\href{/padicField/11.8.0.1}{8} }^{2}$ | ${\href{/padicField/13.4.0.1}{4} }^{4}$ | ${\href{/padicField/17.8.0.1}{8} }^{2}$ | ${\href{/padicField/19.2.0.1}{2} }^{8}$ | ${\href{/padicField/23.8.0.1}{8} }^{2}$ | R | ${\href{/padicField/31.2.0.1}{2} }^{8}$ | ${\href{/padicField/37.8.0.1}{8} }^{2}$ | ${\href{/padicField/41.2.0.1}{2} }^{8}$ | ${\href{/padicField/43.8.0.1}{8} }^{2}$ | ${\href{/padicField/47.8.0.1}{8} }^{2}$ | R | ${\href{/padicField/59.4.0.1}{4} }^{4}$ |
In the table, R denotes a ramified prime. 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 |
---|---|---|---|---|---|---|---|
\(29\) | 29.8.7.1 | $x^{8} + 116$ | $8$ | $1$ | $7$ | $C_8:C_2$ | $[\ ]_{8}^{2}$ |
29.8.7.1 | $x^{8} + 116$ | $8$ | $1$ | $7$ | $C_8:C_2$ | $[\ ]_{8}^{2}$ | |
\(53\) | 53.8.7.2 | $x^{8} + 53$ | $8$ | $1$ | $7$ | $C_8:C_2$ | $[\ ]_{8}^{2}$ |
53.8.7.2 | $x^{8} + 53$ | $8$ | $1$ | $7$ | $C_8:C_2$ | $[\ ]_{8}^{2}$ |