Properties

Label 25.1.136...000.1
Degree $25$
Signature $(1, 12)$
Discriminant $1.362\times 10^{35}$
Root discriminant \(25.43\)
Ramified primes $2,3,5$
Class number $1$ (GRH)
Class group trivial (GRH)
Galois group $C_5:F_5$ (as 25T9)

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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 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*x^2 - 10*x + 1)
 
Copy content gp:K = bnfinit(y^25 - 5*y^24 + 10*y^23 - 5*y^22 - 25*y^21 + 80*y^20 - 120*y^19 + 95*y^18 - 155*y^16 + 420*y^15 - 860*y^14 + 1375*y^13 - 1545*y^12 + 1060*y^11 - 205*y^10 - 150*y^9 - 275*y^8 + 870*y^7 - 870*y^6 + 405*y^5 - 5*y^4 - 90*y^3 + 45*y^2 - 10*y + 1, 1)
 
Copy content magma:R<x> := PolynomialRing(Rationals()); K<a> := NumberField(x^25 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*x^2 - 10*x + 1);
 
Copy content oscar:Qx, x = polynomial_ring(QQ); K, a = number_field(x^25 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*x^2 - 10*x + 1)
 

\( x^{25} - 5 x^{24} + 10 x^{23} - 5 x^{22} - 25 x^{21} + 80 x^{20} - 120 x^{19} + 95 x^{18} - 155 x^{16} + \cdots + 1 \) 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:  $(1, 12)$
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:   \(136202515664062500000000000000000000\) \(\medspace = 2^{20}\cdot 3^{20}\cdot 5^{28}\) 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:  \(25.43\)
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:   \(2\), \(3\), \(5\) 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:  \(\Q\)
$\Aut(K/\Q)$:   $C_1$
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 \(a\))

$1$, $a$, $a^{2}$, $a^{3}$, $a^{4}$, $a^{5}$, $a^{6}$, $a^{7}$, $a^{8}$, $a^{9}$, $a^{10}$, $a^{11}$, $a^{12}$, $a^{13}$, $a^{14}$, $a^{15}$, $a^{16}$, $a^{17}$, $a^{18}$, $a^{19}$, $\frac{1}{5}a^{20}-\frac{1}{5}a^{15}+\frac{1}{5}a^{10}-\frac{1}{5}a^{5}+\frac{1}{5}$, $\frac{1}{5}a^{21}-\frac{1}{5}a^{16}+\frac{1}{5}a^{11}-\frac{1}{5}a^{6}+\frac{1}{5}a$, $\frac{1}{5}a^{22}-\frac{1}{5}a^{17}+\frac{1}{5}a^{12}-\frac{1}{5}a^{7}+\frac{1}{5}a^{2}$, $\frac{1}{95}a^{23}+\frac{3}{95}a^{22}-\frac{9}{95}a^{21}+\frac{3}{95}a^{20}+\frac{5}{19}a^{19}-\frac{1}{95}a^{18}+\frac{32}{95}a^{17}+\frac{14}{95}a^{16}+\frac{47}{95}a^{15}-\frac{4}{19}a^{14}+\frac{6}{95}a^{13}-\frac{47}{95}a^{12}-\frac{1}{5}a^{11}-\frac{37}{95}a^{10}-\frac{3}{19}a^{9}-\frac{26}{95}a^{8}+\frac{2}{95}a^{7}+\frac{4}{95}a^{6}+\frac{37}{95}a^{5}-\frac{1}{19}a^{4}-\frac{29}{95}a^{3}-\frac{22}{95}a^{2}+\frac{31}{95}a+\frac{23}{95}$, $\frac{1}{64\cdots 45}a^{24}+\frac{65\cdots 87}{64\cdots 45}a^{23}-\frac{32\cdots 14}{64\cdots 45}a^{22}-\frac{39\cdots 88}{64\cdots 45}a^{21}+\frac{82\cdots 41}{64\cdots 45}a^{20}+\frac{78\cdots 19}{64\cdots 45}a^{19}+\frac{21\cdots 48}{64\cdots 45}a^{18}+\frac{17\cdots 99}{64\cdots 45}a^{17}-\frac{30\cdots 02}{64\cdots 45}a^{16}-\frac{31\cdots 91}{64\cdots 45}a^{15}+\frac{98\cdots 36}{64\cdots 45}a^{14}-\frac{63\cdots 03}{64\cdots 45}a^{13}+\frac{13\cdots 56}{64\cdots 45}a^{12}-\frac{88\cdots 18}{64\cdots 45}a^{11}+\frac{30\cdots 91}{64\cdots 45}a^{10}-\frac{13\cdots 56}{64\cdots 45}a^{9}-\frac{68\cdots 22}{64\cdots 45}a^{8}+\frac{14\cdots 44}{64\cdots 45}a^{7}-\frac{20\cdots 47}{64\cdots 45}a^{6}-\frac{32\cdots 01}{64\cdots 45}a^{5}-\frac{14\cdots 59}{64\cdots 45}a^{4}+\frac{16\cdots 17}{64\cdots 45}a^{3}-\frac{22\cdots 09}{64\cdots 45}a^{2}-\frac{12\cdots 68}{64\cdots 45}a-\frac{10\cdots 74}{64\cdots 45}$ 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:  $12$
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:   $a^{24}-5a^{23}+10a^{22}-5a^{21}-25a^{20}+80a^{19}-120a^{18}+95a^{17}-155a^{15}+420a^{14}-860a^{13}+1375a^{12}-1545a^{11}+1060a^{10}-205a^{9}-150a^{8}-275a^{7}+870a^{6}-870a^{5}+405a^{4}-5a^{3}-90a^{2}+45a-10$, $\frac{12\cdots 73}{34\cdots 55}a^{24}-\frac{10\cdots 16}{64\cdots 45}a^{23}+\frac{37\cdots 81}{12\cdots 89}a^{22}-\frac{35\cdots 76}{64\cdots 45}a^{21}-\frac{59\cdots 44}{64\cdots 45}a^{20}+\frac{16\cdots 83}{64\cdots 45}a^{19}-\frac{21\cdots 19}{64\cdots 45}a^{18}+\frac{25\cdots 34}{12\cdots 89}a^{17}+\frac{57\cdots 71}{64\cdots 45}a^{16}-\frac{33\cdots 81}{64\cdots 45}a^{15}+\frac{83\cdots 57}{64\cdots 45}a^{14}-\frac{16\cdots 06}{64\cdots 45}a^{13}+\frac{49\cdots 38}{12\cdots 89}a^{12}-\frac{13\cdots 89}{34\cdots 55}a^{11}+\frac{13\cdots 11}{64\cdots 45}a^{10}+\frac{13\cdots 28}{64\cdots 45}a^{9}-\frac{30\cdots 54}{64\cdots 45}a^{8}-\frac{15\cdots 26}{12\cdots 89}a^{7}+\frac{17\cdots 66}{64\cdots 45}a^{6}-\frac{12\cdots 81}{64\cdots 45}a^{5}+\frac{37\cdots 17}{64\cdots 45}a^{4}+\frac{15\cdots 24}{64\cdots 45}a^{3}-\frac{28\cdots 41}{12\cdots 89}a^{2}+\frac{40\cdots 39}{64\cdots 45}a-\frac{48\cdots 74}{64\cdots 45}$, $\frac{10\cdots 43}{12\cdots 89}a^{24}-\frac{24\cdots 99}{64\cdots 45}a^{23}+\frac{46\cdots 27}{64\cdots 45}a^{22}-\frac{17\cdots 58}{64\cdots 45}a^{21}-\frac{12\cdots 96}{64\cdots 45}a^{20}+\frac{76\cdots 68}{12\cdots 89}a^{19}-\frac{54\cdots 61}{64\cdots 45}a^{18}+\frac{40\cdots 98}{64\cdots 45}a^{17}+\frac{45\cdots 43}{64\cdots 45}a^{16}-\frac{77\cdots 04}{64\cdots 45}a^{15}+\frac{40\cdots 52}{12\cdots 89}a^{14}-\frac{40\cdots 74}{64\cdots 45}a^{13}+\frac{63\cdots 87}{64\cdots 45}a^{12}-\frac{68\cdots 33}{64\cdots 45}a^{11}+\frac{44\cdots 14}{64\cdots 45}a^{10}-\frac{11\cdots 75}{12\cdots 89}a^{9}-\frac{70\cdots 21}{64\cdots 45}a^{8}-\frac{14\cdots 62}{64\cdots 45}a^{7}+\frac{41\cdots 53}{64\cdots 45}a^{6}-\frac{38\cdots 34}{64\cdots 45}a^{5}+\frac{32\cdots 54}{12\cdots 89}a^{4}+\frac{15\cdots 16}{64\cdots 45}a^{3}-\frac{42\cdots 13}{64\cdots 45}a^{2}+\frac{18\cdots 92}{64\cdots 45}a-\frac{27\cdots 26}{64\cdots 45}$, $\frac{95\cdots 72}{64\cdots 45}a^{24}+\frac{93\cdots 75}{12\cdots 89}a^{23}-\frac{89\cdots 18}{64\cdots 45}a^{22}+\frac{33\cdots 23}{64\cdots 45}a^{21}+\frac{24\cdots 68}{64\cdots 45}a^{20}-\frac{73\cdots 28}{64\cdots 45}a^{19}+\frac{20\cdots 54}{12\cdots 89}a^{18}-\frac{38\cdots 78}{34\cdots 55}a^{17}-\frac{15\cdots 03}{64\cdots 45}a^{16}+\frac{14\cdots 77}{64\cdots 45}a^{15}-\frac{38\cdots 82}{64\cdots 45}a^{14}+\frac{15\cdots 62}{12\cdots 89}a^{13}-\frac{11\cdots 43}{64\cdots 45}a^{12}+\frac{12\cdots 98}{64\cdots 45}a^{11}-\frac{40\cdots 58}{34\cdots 55}a^{10}+\frac{21\cdots 32}{64\cdots 45}a^{9}+\frac{36\cdots 98}{12\cdots 89}a^{8}+\frac{30\cdots 88}{64\cdots 45}a^{7}-\frac{80\cdots 58}{64\cdots 45}a^{6}+\frac{70\cdots 07}{64\cdots 45}a^{5}-\frac{24\cdots 82}{64\cdots 45}a^{4}-\frac{12\cdots 51}{12\cdots 89}a^{3}+\frac{84\cdots 72}{64\cdots 45}a^{2}-\frac{24\cdots 17}{64\cdots 45}a+\frac{35\cdots 33}{64\cdots 45}$, $\frac{58\cdots 62}{64\cdots 45}a^{24}-\frac{28\cdots 09}{64\cdots 45}a^{23}+\frac{10\cdots 98}{12\cdots 89}a^{22}-\frac{19\cdots 71}{64\cdots 45}a^{21}-\frac{14\cdots 32}{64\cdots 45}a^{20}+\frac{44\cdots 43}{64\cdots 45}a^{19}-\frac{62\cdots 41}{64\cdots 45}a^{18}+\frac{46\cdots 85}{68\cdots 31}a^{17}+\frac{81\cdots 16}{64\cdots 45}a^{16}-\frac{89\cdots 48}{64\cdots 45}a^{15}+\frac{22\cdots 67}{64\cdots 45}a^{14}-\frac{46\cdots 34}{64\cdots 45}a^{13}+\frac{14\cdots 11}{12\cdots 89}a^{12}-\frac{77\cdots 91}{64\cdots 45}a^{11}+\frac{25\cdots 47}{34\cdots 55}a^{10}-\frac{32\cdots 47}{64\cdots 45}a^{9}-\frac{94\cdots 21}{64\cdots 45}a^{8}-\frac{36\cdots 40}{12\cdots 89}a^{7}+\frac{48\cdots 26}{64\cdots 45}a^{6}-\frac{42\cdots 83}{64\cdots 45}a^{5}+\frac{15\cdots 82}{64\cdots 45}a^{4}+\frac{27\cdots 36}{64\cdots 45}a^{3}-\frac{91\cdots 32}{12\cdots 89}a^{2}+\frac{13\cdots 04}{64\cdots 45}a-\frac{15\cdots 67}{64\cdots 45}$, $\frac{23\cdots 36}{64\cdots 45}a^{24}-\frac{96\cdots 59}{64\cdots 45}a^{23}+\frac{14\cdots 62}{64\cdots 45}a^{22}+\frac{35\cdots 56}{64\cdots 45}a^{21}-\frac{59\cdots 86}{64\cdots 45}a^{20}+\frac{13\cdots 39}{64\cdots 45}a^{19}-\frac{14\cdots 16}{64\cdots 45}a^{18}+\frac{28\cdots 02}{34\cdots 55}a^{17}+\frac{93\cdots 24}{64\cdots 45}a^{16}-\frac{30\cdots 69}{64\cdots 45}a^{15}+\frac{69\cdots 36}{64\cdots 45}a^{14}-\frac{13\cdots 64}{64\cdots 45}a^{13}+\frac{18\cdots 97}{64\cdots 45}a^{12}-\frac{15\cdots 89}{64\cdots 45}a^{11}+\frac{27\cdots 16}{34\cdots 55}a^{10}+\frac{48\cdots 84}{64\cdots 45}a^{9}-\frac{14\cdots 66}{64\cdots 45}a^{8}-\frac{85\cdots 67}{64\cdots 45}a^{7}+\frac{13\cdots 44}{64\cdots 45}a^{6}-\frac{63\cdots 74}{64\cdots 45}a^{5}-\frac{25\cdots 34}{64\cdots 45}a^{4}+\frac{20\cdots 86}{64\cdots 45}a^{3}-\frac{56\cdots 18}{64\cdots 45}a^{2}-\frac{25\cdots 44}{64\cdots 45}a-\frac{43\cdots 91}{64\cdots 45}$, $\frac{43\cdots 94}{34\cdots 55}a^{24}+\frac{41\cdots 46}{64\cdots 45}a^{23}-\frac{82\cdots 41}{64\cdots 45}a^{22}+\frac{40\cdots 17}{64\cdots 45}a^{21}+\frac{20\cdots 44}{64\cdots 45}a^{20}-\frac{66\cdots 54}{64\cdots 45}a^{19}+\frac{98\cdots 04}{64\cdots 45}a^{18}-\frac{75\cdots 54}{64\cdots 45}a^{17}-\frac{35\cdots 57}{64\cdots 45}a^{16}+\frac{13\cdots 26}{64\cdots 45}a^{15}-\frac{34\cdots 86}{64\cdots 45}a^{14}+\frac{70\cdots 56}{64\cdots 45}a^{13}-\frac{11\cdots 06}{64\cdots 45}a^{12}+\frac{65\cdots 18}{34\cdots 55}a^{11}-\frac{83\cdots 41}{64\cdots 45}a^{10}+\frac{12\cdots 16}{64\cdots 45}a^{9}+\frac{15\cdots 09}{64\cdots 45}a^{8}+\frac{22\cdots 46}{64\cdots 45}a^{7}-\frac{72\cdots 92}{64\cdots 45}a^{6}+\frac{70\cdots 31}{64\cdots 45}a^{5}-\frac{30\cdots 56}{64\cdots 45}a^{4}-\frac{19\cdots 49}{64\cdots 45}a^{3}+\frac{80\cdots 49}{64\cdots 45}a^{2}-\frac{33\cdots 13}{64\cdots 45}a+\frac{51\cdots 74}{64\cdots 45}$, $\frac{10\cdots 57}{64\cdots 45}a^{24}-\frac{85\cdots 44}{12\cdots 89}a^{23}+\frac{65\cdots 16}{64\cdots 45}a^{22}+\frac{13\cdots 74}{64\cdots 45}a^{21}-\frac{26\cdots 44}{64\cdots 45}a^{20}+\frac{60\cdots 78}{64\cdots 45}a^{19}-\frac{13\cdots 88}{12\cdots 89}a^{18}+\frac{23\cdots 04}{64\cdots 45}a^{17}+\frac{45\cdots 01}{64\cdots 45}a^{16}-\frac{13\cdots 01}{64\cdots 45}a^{15}+\frac{30\cdots 17}{64\cdots 45}a^{14}-\frac{11\cdots 21}{12\cdots 89}a^{13}+\frac{83\cdots 11}{64\cdots 45}a^{12}-\frac{70\cdots 51}{64\cdots 45}a^{11}+\frac{19\cdots 46}{64\cdots 45}a^{10}+\frac{26\cdots 88}{64\cdots 45}a^{9}-\frac{20\cdots 81}{12\cdots 89}a^{8}-\frac{40\cdots 91}{64\cdots 45}a^{7}+\frac{61\cdots 31}{64\cdots 45}a^{6}-\frac{28\cdots 91}{64\cdots 45}a^{5}-\frac{45\cdots 03}{64\cdots 45}a^{4}+\frac{23\cdots 96}{12\cdots 89}a^{3}-\frac{32\cdots 69}{64\cdots 45}a^{2}-\frac{68\cdots 06}{64\cdots 45}a+\frac{30\cdots 36}{64\cdots 45}$, $\frac{14\cdots 35}{12\cdots 89}a^{24}-\frac{69\cdots 68}{12\cdots 89}a^{23}+\frac{65\cdots 14}{64\cdots 45}a^{22}-\frac{24\cdots 77}{64\cdots 45}a^{21}-\frac{18\cdots 86}{64\cdots 45}a^{20}+\frac{10\cdots 66}{12\cdots 89}a^{19}-\frac{15\cdots 41}{12\cdots 89}a^{18}+\frac{54\cdots 86}{64\cdots 45}a^{17}+\frac{10\cdots 12}{64\cdots 45}a^{16}-\frac{11\cdots 14}{64\cdots 45}a^{15}+\frac{56\cdots 71}{12\cdots 89}a^{14}-\frac{11\cdots 98}{12\cdots 89}a^{13}+\frac{88\cdots 84}{64\cdots 45}a^{12}-\frac{95\cdots 82}{64\cdots 45}a^{11}+\frac{58\cdots 99}{64\cdots 45}a^{10}-\frac{61\cdots 18}{12\cdots 89}a^{9}-\frac{23\cdots 70}{12\cdots 89}a^{8}-\frac{22\cdots 04}{64\cdots 45}a^{7}+\frac{60\cdots 62}{64\cdots 45}a^{6}-\frac{52\cdots 89}{64\cdots 45}a^{5}+\frac{36\cdots 93}{12\cdots 89}a^{4}+\frac{79\cdots 19}{12\cdots 89}a^{3}-\frac{51\cdots 51}{64\cdots 45}a^{2}+\frac{14\cdots 53}{64\cdots 45}a-\frac{18\cdots 51}{64\cdots 45}$, $\frac{47\cdots 02}{64\cdots 45}a^{24}-\frac{44\cdots 04}{64\cdots 45}a^{23}+\frac{19\cdots 26}{64\cdots 45}a^{22}-\frac{32\cdots 07}{64\cdots 45}a^{21}+\frac{14\cdots 06}{64\cdots 45}a^{20}+\frac{11\cdots 58}{64\cdots 45}a^{19}-\frac{28\cdots 96}{64\cdots 45}a^{18}+\frac{35\cdots 49}{64\cdots 45}a^{17}-\frac{19\cdots 68}{64\cdots 45}a^{16}-\frac{14\cdots 91}{64\cdots 45}a^{15}+\frac{62\cdots 37}{64\cdots 45}a^{14}-\frac{78\cdots 51}{34\cdots 55}a^{13}+\frac{29\cdots 01}{64\cdots 45}a^{12}-\frac{42\cdots 72}{64\cdots 45}a^{11}+\frac{41\cdots 66}{64\cdots 45}a^{10}-\frac{19\cdots 72}{64\cdots 45}a^{9}-\frac{60\cdots 56}{64\cdots 45}a^{8}+\frac{54\cdots 69}{64\cdots 45}a^{7}+\frac{15\cdots 47}{64\cdots 45}a^{6}-\frac{30\cdots 36}{64\cdots 45}a^{5}+\frac{19\cdots 42}{64\cdots 45}a^{4}-\frac{34\cdots 89}{64\cdots 45}a^{3}-\frac{39\cdots 69}{64\cdots 45}a^{2}+\frac{22\cdots 68}{64\cdots 45}a-\frac{35\cdots 29}{64\cdots 45}$, $\frac{49\cdots 03}{64\cdots 45}a^{24}-\frac{25\cdots 81}{64\cdots 45}a^{23}+\frac{52\cdots 82}{64\cdots 45}a^{22}-\frac{27\cdots 79}{64\cdots 45}a^{21}-\frac{25\cdots 22}{12\cdots 89}a^{20}+\frac{41\cdots 67}{64\cdots 45}a^{19}-\frac{62\cdots 84}{64\cdots 45}a^{18}+\frac{49\cdots 13}{64\cdots 45}a^{17}-\frac{70\cdots 61}{64\cdots 45}a^{16}-\frac{15\cdots 09}{12\cdots 89}a^{15}+\frac{21\cdots 63}{64\cdots 45}a^{14}-\frac{44\cdots 16}{64\cdots 45}a^{13}+\frac{71\cdots 87}{64\cdots 45}a^{12}-\frac{80\cdots 49}{64\cdots 45}a^{11}+\frac{10\cdots 02}{12\cdots 89}a^{10}-\frac{99\cdots 63}{64\cdots 45}a^{9}-\frac{94\cdots 79}{64\cdots 45}a^{8}-\frac{13\cdots 82}{64\cdots 45}a^{7}+\frac{45\cdots 49}{64\cdots 45}a^{6}-\frac{92\cdots 76}{12\cdots 89}a^{5}+\frac{20\cdots 23}{64\cdots 45}a^{4}+\frac{45\cdots 09}{64\cdots 45}a^{3}-\frac{54\cdots 33}{64\cdots 45}a^{2}+\frac{22\cdots 01}{64\cdots 45}a-\frac{82\cdots 12}{12\cdots 89}$, $\frac{15\cdots 86}{34\cdots 55}a^{24}-\frac{73\cdots 26}{34\cdots 55}a^{23}+\frac{24\cdots 96}{68\cdots 31}a^{22}-\frac{54\cdots 76}{34\cdots 55}a^{21}-\frac{43\cdots 58}{34\cdots 55}a^{20}+\frac{10\cdots 64}{34\cdots 55}a^{19}-\frac{13\cdots 64}{34\cdots 55}a^{18}+\frac{13\cdots 44}{68\cdots 31}a^{17}+\frac{57\cdots 86}{34\cdots 55}a^{16}-\frac{22\cdots 62}{34\cdots 55}a^{15}+\frac{55\cdots 46}{34\cdots 55}a^{14}-\frac{10\cdots 86}{34\cdots 55}a^{13}+\frac{31\cdots 36}{68\cdots 31}a^{12}-\frac{15\cdots 26}{34\cdots 55}a^{11}+\frac{66\cdots 42}{34\cdots 55}a^{10}+\frac{24\cdots 49}{34\cdots 55}a^{9}-\frac{17\cdots 74}{34\cdots 55}a^{8}-\frac{13\cdots 48}{68\cdots 31}a^{7}+\frac{11\cdots 96}{34\cdots 55}a^{6}-\frac{69\cdots 62}{34\cdots 55}a^{5}+\frac{85\cdots 56}{34\cdots 55}a^{4}+\frac{11\cdots 24}{34\cdots 55}a^{3}-\frac{13\cdots 82}{68\cdots 31}a^{2}+\frac{17\cdots 04}{34\cdots 55}a-\frac{16\cdots 78}{34\cdots 55}$ 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:  \( 106797269.80793719 \) (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:  \( 1 \) (assuming GRH)

Class number formula

\[ \begin{aligned}\lim_{s\to 1} (s-1)\zeta_K(s) =\mathstrut & \frac{2^{r_1}\cdot (2\pi)^{r_2}\cdot R\cdot h}{w\cdot\sqrt{|D|}}\cr \approx\mathstrut &\frac{2^{1}\cdot(2\pi)^{12}\cdot 106797269.80793719 \cdot 1}{2\cdot\sqrt{136202515664062500000000000000000000}}\cr\approx \mathstrut & 1.09553436754442 \end{aligned}\] (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 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*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 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*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 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*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 - 5*x^24 + 10*x^23 - 5*x^22 - 25*x^21 + 80*x^20 - 120*x^19 + 95*x^18 - 155*x^16 + 420*x^15 - 860*x^14 + 1375*x^13 - 1545*x^12 + 1060*x^11 - 205*x^10 - 150*x^9 - 275*x^8 + 870*x^7 - 870*x^6 + 405*x^5 - 5*x^4 - 90*x^3 + 45*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

$C_5:F_5$ (as 25T9):

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 100
The 10 conjugacy class representatives for $C_5:F_5$
Character table for $C_5:F_5$

Intermediate fields

5.1.253125.1, 5.1.162000.1, 5.1.4050000.3, 5.1.50000.1, 5.1.4050000.4, 5.1.4050000.1

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]
 

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 R ${\href{/padicField/7.4.0.1}{4} }^{6}{,}\,{\href{/padicField/7.1.0.1}{1} }$ ${\href{/padicField/11.5.0.1}{5} }^{5}$ ${\href{/padicField/13.4.0.1}{4} }^{6}{,}\,{\href{/padicField/13.1.0.1}{1} }$ ${\href{/padicField/17.4.0.1}{4} }^{6}{,}\,{\href{/padicField/17.1.0.1}{1} }$ ${\href{/padicField/19.2.0.1}{2} }^{12}{,}\,{\href{/padicField/19.1.0.1}{1} }$ ${\href{/padicField/23.4.0.1}{4} }^{6}{,}\,{\href{/padicField/23.1.0.1}{1} }$ ${\href{/padicField/29.2.0.1}{2} }^{12}{,}\,{\href{/padicField/29.1.0.1}{1} }$ ${\href{/padicField/31.5.0.1}{5} }^{5}$ ${\href{/padicField/37.4.0.1}{4} }^{6}{,}\,{\href{/padicField/37.1.0.1}{1} }$ ${\href{/padicField/41.5.0.1}{5} }^{5}$ ${\href{/padicField/43.4.0.1}{4} }^{6}{,}\,{\href{/padicField/43.1.0.1}{1} }$ ${\href{/padicField/47.4.0.1}{4} }^{6}{,}\,{\href{/padicField/47.1.0.1}{1} }$ ${\href{/padicField/53.4.0.1}{4} }^{6}{,}\,{\href{/padicField/53.1.0.1}{1} }$ ${\href{/padicField/59.2.0.1}{2} }^{12}{,}\,{\href{/padicField/59.1.0.1}{1} }$

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 2.5.4.1$x^{5} + 2$$5$$1$$4$$F_5$$$[\ ]_{5}^{4}$$
2.20.16.2$x^{20} + 5 x^{17} + 5 x^{16} + 10 x^{14} + 20 x^{13} + 10 x^{12} + 10 x^{11} + 30 x^{10} + 30 x^{9} + 15 x^{8} + 20 x^{7} + 30 x^{6} + 21 x^{5} + 10 x^{4} + 10 x^{3} + 10 x^{2} + 5 x + 3$$5$$4$$16$20T5$$[\ ]_{5}^{4}$$
\(3\) Copy content Toggle raw display 3.5.4.1$x^{5} + 3$$5$$1$$4$$F_5$$$[\ ]_{5}^{4}$$
3.20.16.1$x^{20} + 10 x^{19} + 40 x^{18} + 80 x^{17} + 90 x^{16} + 112 x^{15} + 240 x^{14} + 320 x^{13} + 200 x^{12} + 240 x^{11} + 480 x^{10} + 320 x^{9} + 80 x^{8} + 320 x^{7} + 320 x^{6} + 80 x^{4} + 160 x^{3} + 35$$5$$4$$16$20T5$$[\ ]_{5}^{4}$$
\(5\) Copy content Toggle raw display 5.5.5.2$x^{5} + 5 x + 5$$5$$1$$5$$F_5$$$[\frac{5}{4}]_{4}$$
5.20.23.9$x^{20} + 5 x^{4} + 5$$20$$1$$23$20T5not computed

Spectrum of ring of integers

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