Properties

Label 25.5.476...000.1
Degree $25$
Signature $(5, 10)$
Discriminant $4.768\times 10^{34}$
Root discriminant \(24.39\)
Ramified primes $2,5$
Class number $1$ (GRH)
Class group trivial (GRH)
Galois group $C_5^2:F_5$ (as 25T35)

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Normalized defining polynomial

Copy content comment:Define the number field
 
Copy content sage:x = polygen(QQ); K.<a> = NumberField(x^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 1)
 
Copy content gp:K = bnfinit(y^25 - 10*y^24 + 35*y^23 - 30*y^22 - 110*y^21 + 255*y^20 + 120*y^19 - 1090*y^18 + 1715*y^17 - 1640*y^16 + 2295*y^15 - 5380*y^14 + 11070*y^13 - 16125*y^12 + 15190*y^11 - 8190*y^10 + 590*y^9 + 3200*y^8 - 2990*y^7 + 2010*y^6 - 945*y^5 + 350*y^4 - 145*y^3 + 30*y^2 - 10*y + 1, 1)
 
Copy content magma:R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 1);
 
Copy content oscar:Qx, x = polynomial_ring(QQ); K, a = number_field(x^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 1)
 

\( x^{25} - 10 x^{24} + 35 x^{23} - 30 x^{22} - 110 x^{21} + 255 x^{20} + 120 x^{19} - 1090 x^{18} + \cdots + 1 \) 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:  $25$
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:  $(5, 10)$
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:   \(47683715820312500000000000000000000\) \(\medspace = 2^{20}\cdot 5^{41}\) 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:  \(24.39\)
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:   \(2\), \(5\) 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:  \(\Q(\sqrt{5}) \)
$\Aut(K/\Q)$:   $C_5$
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 \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $a^{20}$, $a^{21}$, $a^{22}$, $a^{23}$, $\frac{1}{27\cdots 03}a^{24}+\frac{28\cdots 07}{27\cdots 03}a^{23}+\frac{13\cdots 81}{27\cdots 03}a^{22}-\frac{17\cdots 21}{27\cdots 03}a^{21}+\frac{86\cdots 45}{27\cdots 03}a^{20}+\frac{10\cdots 41}{27\cdots 03}a^{19}+\frac{31\cdots 48}{27\cdots 03}a^{18}-\frac{10\cdots 80}{27\cdots 03}a^{17}-\frac{45\cdots 74}{27\cdots 03}a^{16}+\frac{21\cdots 24}{27\cdots 03}a^{15}-\frac{64\cdots 10}{27\cdots 03}a^{14}-\frac{30\cdots 67}{27\cdots 03}a^{13}-\frac{34\cdots 11}{27\cdots 03}a^{12}-\frac{37\cdots 83}{27\cdots 03}a^{11}+\frac{69\cdots 13}{27\cdots 03}a^{10}+\frac{17\cdots 66}{27\cdots 03}a^{9}-\frac{75\cdots 64}{27\cdots 03}a^{8}+\frac{76\cdots 41}{27\cdots 03}a^{7}-\frac{87\cdots 94}{27\cdots 03}a^{6}+\frac{11\cdots 57}{27\cdots 03}a^{5}-\frac{74\cdots 75}{27\cdots 03}a^{4}+\frac{15\cdots 59}{27\cdots 03}a^{3}-\frac{13\cdots 08}{27\cdots 03}a^{2}+\frac{13\cdots 04}{27\cdots 03}a-\frac{22\cdots 70}{27\cdots 03}$ 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:  Not computed
Index:  $1$
Inessential primes:  None

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:  $14$
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:   $\frac{13\cdots 83}{27\cdots 03}a^{24}+\frac{13\cdots 05}{27\cdots 03}a^{23}-\frac{45\cdots 37}{27\cdots 03}a^{22}+\frac{34\cdots 96}{27\cdots 03}a^{21}+\frac{15\cdots 26}{27\cdots 03}a^{20}-\frac{32\cdots 45}{27\cdots 03}a^{19}-\frac{20\cdots 34}{27\cdots 03}a^{18}+\frac{14\cdots 86}{27\cdots 03}a^{17}-\frac{21\cdots 85}{27\cdots 03}a^{16}+\frac{19\cdots 57}{27\cdots 03}a^{15}-\frac{28\cdots 40}{27\cdots 03}a^{14}+\frac{68\cdots 40}{27\cdots 03}a^{13}-\frac{13\cdots 20}{27\cdots 03}a^{12}+\frac{19\cdots 92}{27\cdots 03}a^{11}-\frac{17\cdots 56}{27\cdots 03}a^{10}+\frac{87\cdots 02}{27\cdots 03}a^{9}+\frac{19\cdots 67}{27\cdots 03}a^{8}-\frac{41\cdots 02}{27\cdots 03}a^{7}+\frac{34\cdots 31}{27\cdots 03}a^{6}-\frac{22\cdots 40}{27\cdots 03}a^{5}+\frac{10\cdots 73}{27\cdots 03}a^{4}-\frac{35\cdots 76}{27\cdots 03}a^{3}+\frac{14\cdots 40}{27\cdots 03}a^{2}-\frac{21\cdots 01}{27\cdots 03}a+\frac{88\cdots 44}{27\cdots 03}$, $\frac{50\cdots 57}{27\cdots 03}a^{24}+\frac{51\cdots 22}{27\cdots 03}a^{23}-\frac{18\cdots 91}{27\cdots 03}a^{22}+\frac{17\cdots 56}{27\cdots 03}a^{21}+\frac{56\cdots 97}{27\cdots 03}a^{20}-\frac{14\cdots 28}{27\cdots 03}a^{19}-\frac{47\cdots 86}{27\cdots 03}a^{18}+\frac{58\cdots 98}{27\cdots 03}a^{17}-\frac{95\cdots 56}{27\cdots 03}a^{16}+\frac{88\cdots 91}{27\cdots 03}a^{15}-\frac{11\cdots 70}{27\cdots 03}a^{14}+\frac{27\cdots 50}{27\cdots 03}a^{13}-\frac{58\cdots 53}{27\cdots 03}a^{12}+\frac{86\cdots 63}{27\cdots 03}a^{11}-\frac{81\cdots 96}{27\cdots 03}a^{10}+\frac{41\cdots 72}{27\cdots 03}a^{9}+\frac{24\cdots 87}{27\cdots 03}a^{8}-\frac{21\cdots 39}{27\cdots 03}a^{7}+\frac{17\cdots 99}{27\cdots 03}a^{6}-\frac{96\cdots 65}{27\cdots 03}a^{5}+\frac{40\cdots 62}{27\cdots 03}a^{4}-\frac{11\cdots 76}{27\cdots 03}a^{3}+\frac{28\cdots 33}{27\cdots 03}a^{2}-\frac{11\cdots 61}{27\cdots 03}a-\frac{21\cdots 43}{27\cdots 03}$, $\frac{57\cdots 67}{27\cdots 03}a^{24}-\frac{55\cdots 17}{27\cdots 03}a^{23}+\frac{18\cdots 49}{27\cdots 03}a^{22}-\frac{10\cdots 01}{27\cdots 03}a^{21}-\frac{68\cdots 17}{27\cdots 03}a^{20}+\frac{12\cdots 73}{27\cdots 03}a^{19}+\frac{11\cdots 04}{27\cdots 03}a^{18}-\frac{60\cdots 26}{27\cdots 03}a^{17}+\frac{77\cdots 46}{27\cdots 03}a^{16}-\frac{62\cdots 48}{27\cdots 03}a^{15}+\frac{10\cdots 98}{27\cdots 03}a^{14}-\frac{27\cdots 32}{27\cdots 03}a^{13}+\frac{54\cdots 63}{27\cdots 03}a^{12}-\frac{72\cdots 32}{27\cdots 03}a^{11}+\frac{58\cdots 03}{27\cdots 03}a^{10}-\frac{21\cdots 81}{27\cdots 03}a^{9}-\frac{80\cdots 95}{27\cdots 03}a^{8}+\frac{16\cdots 53}{27\cdots 03}a^{7}-\frac{99\cdots 44}{27\cdots 03}a^{6}+\frac{66\cdots 42}{27\cdots 03}a^{5}-\frac{28\cdots 72}{27\cdots 03}a^{4}+\frac{10\cdots 82}{27\cdots 03}a^{3}-\frac{47\cdots 09}{27\cdots 03}a^{2}+\frac{40\cdots 70}{27\cdots 03}a-\frac{22\cdots 73}{27\cdots 03}$, $\frac{99\cdots 39}{27\cdots 03}a^{24}+\frac{65\cdots 72}{27\cdots 03}a^{23}-\frac{13\cdots 36}{27\cdots 03}a^{22}-\frac{91\cdots 12}{27\cdots 03}a^{21}+\frac{20\cdots 27}{27\cdots 03}a^{20}+\frac{16\cdots 27}{27\cdots 03}a^{19}-\frac{10\cdots 79}{27\cdots 03}a^{18}+\frac{56\cdots 06}{27\cdots 03}a^{17}+\frac{23\cdots 05}{27\cdots 03}a^{16}-\frac{42\cdots 12}{27\cdots 03}a^{15}+\frac{23\cdots 43}{27\cdots 03}a^{14}-\frac{97\cdots 68}{27\cdots 03}a^{13}+\frac{63\cdots 77}{27\cdots 03}a^{12}-\frac{20\cdots 76}{27\cdots 03}a^{11}+\frac{36\cdots 85}{27\cdots 03}a^{10}-\frac{34\cdots 05}{27\cdots 03}a^{9}+\frac{13\cdots 10}{27\cdots 03}a^{8}+\frac{75\cdots 33}{27\cdots 03}a^{7}-\frac{13\cdots 10}{27\cdots 03}a^{6}+\frac{63\cdots 68}{27\cdots 03}a^{5}-\frac{19\cdots 06}{27\cdots 03}a^{4}+\frac{56\cdots 60}{27\cdots 03}a^{3}+\frac{22\cdots 23}{27\cdots 03}a^{2}+\frac{36\cdots 24}{27\cdots 03}a+\frac{22\cdots 25}{27\cdots 03}$, $\frac{53\cdots 15}{27\cdots 03}a^{24}-\frac{49\cdots 33}{27\cdots 03}a^{23}+\frac{14\cdots 78}{27\cdots 03}a^{22}-\frac{32\cdots 22}{27\cdots 03}a^{21}-\frac{66\cdots 82}{27\cdots 03}a^{20}+\frac{87\cdots 06}{27\cdots 03}a^{19}+\frac{15\cdots 97}{27\cdots 03}a^{18}-\frac{49\cdots 84}{27\cdots 03}a^{17}+\frac{48\cdots 73}{27\cdots 03}a^{16}-\frac{33\cdots 81}{27\cdots 03}a^{15}+\frac{85\cdots 78}{27\cdots 03}a^{14}-\frac{22\cdots 15}{27\cdots 03}a^{13}+\frac{40\cdots 71}{27\cdots 03}a^{12}-\frac{49\cdots 13}{27\cdots 03}a^{11}+\frac{32\cdots 03}{27\cdots 03}a^{10}-\frac{72\cdots 31}{27\cdots 03}a^{9}-\frac{55\cdots 61}{27\cdots 03}a^{8}+\frac{68\cdots 38}{27\cdots 03}a^{7}-\frac{41\cdots 86}{27\cdots 03}a^{6}+\frac{59\cdots 84}{27\cdots 03}a^{5}-\frac{24\cdots 18}{27\cdots 03}a^{4}+\frac{43\cdots 19}{27\cdots 03}a^{3}-\frac{35\cdots 00}{27\cdots 03}a^{2}-\frac{64\cdots 79}{27\cdots 03}a-\frac{68\cdots 11}{27\cdots 03}$, $\frac{54\cdots 44}{27\cdots 03}a^{24}-\frac{53\cdots 70}{27\cdots 03}a^{23}+\frac{18\cdots 56}{27\cdots 03}a^{22}-\frac{15\cdots 94}{27\cdots 03}a^{21}-\frac{60\cdots 99}{27\cdots 03}a^{20}+\frac{13\cdots 89}{27\cdots 03}a^{19}+\frac{72\cdots 83}{27\cdots 03}a^{18}-\frac{59\cdots 77}{27\cdots 03}a^{17}+\frac{90\cdots 13}{27\cdots 03}a^{16}-\frac{83\cdots 19}{27\cdots 03}a^{15}+\frac{12\cdots 76}{27\cdots 03}a^{14}-\frac{28\cdots 14}{27\cdots 03}a^{13}+\frac{59\cdots 62}{27\cdots 03}a^{12}-\frac{84\cdots 00}{27\cdots 03}a^{11}+\frac{78\cdots 26}{27\cdots 03}a^{10}-\frac{40\cdots 86}{27\cdots 03}a^{9}+\frac{28\cdots 07}{27\cdots 03}a^{8}+\frac{14\cdots 66}{27\cdots 03}a^{7}-\frac{13\cdots 90}{27\cdots 03}a^{6}+\frac{10\cdots 25}{27\cdots 03}a^{5}-\frac{56\cdots 67}{27\cdots 03}a^{4}+\frac{22\cdots 13}{27\cdots 03}a^{3}-\frac{86\cdots 80}{27\cdots 03}a^{2}+\frac{19\cdots 79}{27\cdots 03}a-\frac{31\cdots 46}{27\cdots 03}$, $\frac{96\cdots 58}{27\cdots 03}a^{24}-\frac{95\cdots 89}{27\cdots 03}a^{23}+\frac{32\cdots 59}{27\cdots 03}a^{22}-\frac{23\cdots 73}{27\cdots 03}a^{21}-\frac{11\cdots 89}{27\cdots 03}a^{20}+\frac{23\cdots 59}{27\cdots 03}a^{19}+\frac{15\cdots 76}{27\cdots 03}a^{18}-\frac{10\cdots 67}{27\cdots 03}a^{17}+\frac{15\cdots 75}{27\cdots 03}a^{16}-\frac{12\cdots 29}{27\cdots 03}a^{15}+\frac{18\cdots 06}{27\cdots 03}a^{14}-\frac{47\cdots 45}{27\cdots 03}a^{13}+\frac{98\cdots 61}{27\cdots 03}a^{12}-\frac{13\cdots 15}{27\cdots 03}a^{11}+\frac{11\cdots 55}{27\cdots 03}a^{10}-\frac{49\cdots 71}{27\cdots 03}a^{9}-\frac{13\cdots 15}{27\cdots 03}a^{8}+\frac{35\cdots 75}{27\cdots 03}a^{7}-\frac{23\cdots 32}{27\cdots 03}a^{6}+\frac{12\cdots 75}{27\cdots 03}a^{5}-\frac{46\cdots 28}{27\cdots 03}a^{4}+\frac{12\cdots 33}{27\cdots 03}a^{3}-\frac{61\cdots 18}{27\cdots 03}a^{2}+\frac{47\cdots 36}{27\cdots 03}a-\frac{11\cdots 62}{27\cdots 03}$, $\frac{87\cdots 01}{27\cdots 03}a^{24}+\frac{85\cdots 96}{27\cdots 03}a^{23}-\frac{28\cdots 45}{27\cdots 03}a^{22}+\frac{17\cdots 87}{27\cdots 03}a^{21}+\frac{10\cdots 02}{27\cdots 03}a^{20}-\frac{20\cdots 90}{27\cdots 03}a^{19}-\frac{17\cdots 90}{27\cdots 03}a^{18}+\frac{95\cdots 33}{27\cdots 03}a^{17}-\frac{12\cdots 59}{27\cdots 03}a^{16}+\frac{94\cdots 95}{27\cdots 03}a^{15}-\frac{15\cdots 69}{27\cdots 03}a^{14}+\frac{41\cdots 34}{27\cdots 03}a^{13}-\frac{84\cdots 75}{27\cdots 03}a^{12}+\frac{11\cdots 04}{27\cdots 03}a^{11}-\frac{88\cdots 72}{27\cdots 03}a^{10}+\frac{26\cdots 93}{27\cdots 03}a^{9}+\frac{20\cdots 74}{27\cdots 03}a^{8}-\frac{29\cdots 78}{27\cdots 03}a^{7}+\frac{14\cdots 71}{27\cdots 03}a^{6}-\frac{74\cdots 51}{27\cdots 03}a^{5}+\frac{28\cdots 26}{27\cdots 03}a^{4}-\frac{75\cdots 73}{27\cdots 03}a^{3}+\frac{57\cdots 27}{27\cdots 03}a^{2}-\frac{19\cdots 76}{27\cdots 03}a+\frac{15\cdots 53}{27\cdots 03}$, $\frac{94\cdots 20}{51\cdots 51}a^{24}+\frac{91\cdots 50}{51\cdots 51}a^{23}-\frac{29\cdots 12}{51\cdots 51}a^{22}+\frac{15\cdots 36}{51\cdots 51}a^{21}+\frac{11\cdots 33}{51\cdots 51}a^{20}-\frac{20\cdots 14}{51\cdots 51}a^{19}-\frac{21\cdots 91}{51\cdots 51}a^{18}+\frac{10\cdots 43}{51\cdots 51}a^{17}-\frac{12\cdots 42}{51\cdots 51}a^{16}+\frac{85\cdots 84}{51\cdots 51}a^{15}-\frac{15\cdots 56}{51\cdots 51}a^{14}+\frac{43\cdots 59}{51\cdots 51}a^{13}-\frac{85\cdots 54}{51\cdots 51}a^{12}+\frac{11\cdots 63}{51\cdots 51}a^{11}-\frac{81\cdots 85}{51\cdots 51}a^{10}+\frac{17\cdots 21}{51\cdots 51}a^{9}+\frac{25\cdots 65}{51\cdots 51}a^{8}-\frac{28\cdots 75}{51\cdots 51}a^{7}+\frac{11\cdots 24}{51\cdots 51}a^{6}-\frac{61\cdots 07}{51\cdots 51}a^{5}+\frac{26\cdots 96}{51\cdots 51}a^{4}-\frac{60\cdots 41}{51\cdots 51}a^{3}+\frac{47\cdots 00}{51\cdots 51}a^{2}+\frac{66\cdots 22}{51\cdots 51}a+\frac{45\cdots 74}{51\cdots 51}$, $\frac{26\cdots 54}{27\cdots 03}a^{24}-\frac{28\cdots 70}{27\cdots 03}a^{23}+\frac{10\cdots 60}{27\cdots 03}a^{22}-\frac{12\cdots 85}{27\cdots 03}a^{21}-\frac{28\cdots 45}{27\cdots 03}a^{20}+\frac{90\cdots 73}{27\cdots 03}a^{19}+\frac{42\cdots 32}{27\cdots 03}a^{18}-\frac{34\cdots 76}{27\cdots 03}a^{17}+\frac{62\cdots 13}{27\cdots 03}a^{16}-\frac{57\cdots 80}{27\cdots 03}a^{15}+\frac{65\cdots 48}{27\cdots 03}a^{14}-\frac{16\cdots 52}{27\cdots 03}a^{13}+\frac{35\cdots 51}{27\cdots 03}a^{12}-\frac{54\cdots 29}{27\cdots 03}a^{11}+\frac{52\cdots 64}{27\cdots 03}a^{10}-\frac{25\cdots 58}{27\cdots 03}a^{9}-\frac{40\cdots 70}{27\cdots 03}a^{8}+\frac{16\cdots 58}{27\cdots 03}a^{7}-\frac{12\cdots 94}{27\cdots 03}a^{6}+\frac{50\cdots 14}{27\cdots 03}a^{5}-\frac{19\cdots 45}{27\cdots 03}a^{4}+\frac{29\cdots 41}{27\cdots 03}a^{3}-\frac{10\cdots 09}{27\cdots 03}a^{2}+\frac{38\cdots 99}{27\cdots 03}a+\frac{15\cdots 49}{27\cdots 03}$, $\frac{20\cdots 32}{27\cdots 03}a^{24}+\frac{20\cdots 03}{27\cdots 03}a^{23}-\frac{67\cdots 49}{27\cdots 03}a^{22}+\frac{48\cdots 41}{27\cdots 03}a^{21}+\frac{23\cdots 60}{27\cdots 03}a^{20}-\frac{49\cdots 80}{27\cdots 03}a^{19}-\frac{34\cdots 16}{27\cdots 03}a^{18}+\frac{22\cdots 52}{27\cdots 03}a^{17}-\frac{31\cdots 11}{27\cdots 03}a^{16}+\frac{26\cdots 11}{27\cdots 03}a^{15}-\frac{38\cdots 95}{27\cdots 03}a^{14}+\frac{10\cdots 76}{27\cdots 03}a^{13}-\frac{20\cdots 40}{27\cdots 03}a^{12}+\frac{28\cdots 84}{27\cdots 03}a^{11}-\frac{24\cdots 32}{27\cdots 03}a^{10}+\frac{95\cdots 72}{27\cdots 03}a^{9}+\frac{33\cdots 10}{27\cdots 03}a^{8}-\frac{73\cdots 77}{27\cdots 03}a^{7}+\frac{46\cdots 45}{27\cdots 03}a^{6}-\frac{24\cdots 38}{27\cdots 03}a^{5}+\frac{94\cdots 61}{27\cdots 03}a^{4}-\frac{25\cdots 97}{27\cdots 03}a^{3}+\frac{12\cdots 06}{27\cdots 03}a^{2}-\frac{54\cdots 50}{27\cdots 03}a+\frac{58\cdots 92}{27\cdots 03}$, $\frac{12\cdots 04}{27\cdots 03}a^{24}+\frac{12\cdots 66}{27\cdots 03}a^{23}-\frac{41\cdots 72}{27\cdots 03}a^{22}+\frac{33\cdots 56}{27\cdots 03}a^{21}+\frac{13\cdots 16}{27\cdots 03}a^{20}-\frac{30\cdots 03}{27\cdots 03}a^{19}-\frac{16\cdots 33}{27\cdots 03}a^{18}+\frac{13\cdots 92}{27\cdots 03}a^{17}-\frac{19\cdots 48}{27\cdots 03}a^{16}+\frac{18\cdots 38}{27\cdots 03}a^{15}-\frac{25\cdots 67}{27\cdots 03}a^{14}+\frac{62\cdots 30}{27\cdots 03}a^{13}-\frac{12\cdots 04}{27\cdots 03}a^{12}+\frac{18\cdots 16}{27\cdots 03}a^{11}-\frac{16\cdots 46}{27\cdots 03}a^{10}+\frac{80\cdots 50}{27\cdots 03}a^{9}+\frac{60\cdots 65}{27\cdots 03}a^{8}-\frac{43\cdots 93}{27\cdots 03}a^{7}+\frac{34\cdots 80}{27\cdots 03}a^{6}-\frac{20\cdots 07}{27\cdots 03}a^{5}+\frac{86\cdots 07}{27\cdots 03}a^{4}-\frac{25\cdots 00}{27\cdots 03}a^{3}+\frac{95\cdots 81}{27\cdots 03}a^{2}-\frac{78\cdots 46}{27\cdots 03}a+\frac{37\cdots 27}{27\cdots 03}$, $a$, $\frac{44\cdots 78}{27\cdots 03}a^{24}-\frac{41\cdots 86}{27\cdots 03}a^{23}+\frac{12\cdots 28}{27\cdots 03}a^{22}-\frac{32\cdots 27}{27\cdots 03}a^{21}-\frac{57\cdots 52}{27\cdots 03}a^{20}+\frac{79\cdots 28}{27\cdots 03}a^{19}+\frac{12\cdots 72}{27\cdots 03}a^{18}-\frac{44\cdots 24}{27\cdots 03}a^{17}+\frac{43\cdots 16}{27\cdots 03}a^{16}-\frac{25\cdots 02}{27\cdots 03}a^{15}+\frac{63\cdots 69}{27\cdots 03}a^{14}-\frac{18\cdots 44}{27\cdots 03}a^{13}+\frac{34\cdots 56}{27\cdots 03}a^{12}-\frac{41\cdots 28}{27\cdots 03}a^{11}+\frac{25\cdots 98}{27\cdots 03}a^{10}-\frac{19\cdots 79}{27\cdots 03}a^{9}-\frac{11\cdots 86}{27\cdots 03}a^{8}+\frac{87\cdots 01}{27\cdots 03}a^{7}-\frac{21\cdots 04}{27\cdots 03}a^{6}+\frac{24\cdots 30}{27\cdots 03}a^{5}-\frac{10\cdots 01}{27\cdots 03}a^{4}+\frac{23\cdots 39}{27\cdots 03}a^{3}-\frac{18\cdots 35}{27\cdots 03}a^{2}-\frac{89\cdots 83}{27\cdots 03}a-\frac{37\cdots 16}{27\cdots 03}$ 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:  \( 34092554.06508241 \) (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:  \( 5 \) (assuming GRH)

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{5}\cdot(2\pi)^{10}\cdot 34092554.06508241 \cdot 1}{2\cdot\sqrt{47683715820312500000000000000000000}}\cr\approx \mathstrut & 0.239548336100025 \end{aligned}\] (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^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 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))))
 
Copy content gp:\\ self-contained Pari/GP code snippet to compute the analytic class number formula K = bnfinit(x^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 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)))]
 
Copy content magma:/* self-contained Magma code snippet to compute the analytic class number formula */ Qx<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 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)));
 
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^25 - 10*x^24 + 35*x^23 - 30*x^22 - 110*x^21 + 255*x^20 + 120*x^19 - 1090*x^18 + 1715*x^17 - 1640*x^16 + 2295*x^15 - 5380*x^14 + 11070*x^13 - 16125*x^12 + 15190*x^11 - 8190*x^10 + 590*x^9 + 3200*x^8 - 2990*x^7 + 2010*x^6 - 945*x^5 + 350*x^4 - 145*x^3 + 30*x^2 - 10*x + 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

$C_5^2:F_5$ (as 25T35):

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 solvable group of order 500
The 26 conjugacy class representatives for $C_5^2:F_5$
Character table for $C_5^2:F_5$

Intermediate fields

5.1.50000.1

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

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]
 

Sibling fields

Degree 25 sibling: data not computed
Minimal sibling: This field is its own minimal sibling

Frobenius cycle types

$p$ $2$ $3$ $5$ $7$ $11$ $13$ $17$ $19$ $23$ $29$ $31$ $37$ $41$ $43$ $47$ $53$ $59$
Cycle type R $20{,}\,{\href{/padicField/3.5.0.1}{5} }$ R $20{,}\,{\href{/padicField/7.5.0.1}{5} }$ ${\href{/padicField/11.5.0.1}{5} }^{5}$ $20{,}\,{\href{/padicField/13.5.0.1}{5} }$ $20{,}\,{\href{/padicField/17.5.0.1}{5} }$ ${\href{/padicField/19.10.0.1}{10} }^{2}{,}\,{\href{/padicField/19.5.0.1}{5} }$ ${\href{/padicField/23.4.0.1}{4} }^{5}{,}\,{\href{/padicField/23.1.0.1}{1} }^{5}$ ${\href{/padicField/29.10.0.1}{10} }^{2}{,}\,{\href{/padicField/29.5.0.1}{5} }$ ${\href{/padicField/31.5.0.1}{5} }^{5}$ $20{,}\,{\href{/padicField/37.5.0.1}{5} }$ ${\href{/padicField/41.5.0.1}{5} }^{5}$ $20{,}\,{\href{/padicField/43.5.0.1}{5} }$ $20{,}\,{\href{/padicField/47.5.0.1}{5} }$ ${\href{/padicField/53.4.0.1}{4} }^{5}{,}\,{\href{/padicField/53.1.0.1}{1} }^{5}$ ${\href{/padicField/59.10.0.1}{10} }^{2}{,}\,{\href{/padicField/59.5.0.1}{5} }$

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 Deg $25$$5$$5$$20$
\(5\) Copy content Toggle raw display Deg $25$$25$$1$$41$

Spectrum of ring of integers

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