Properties

Label 2-1421-29.28-c1-0-90
Degree $2$
Conductor $1421$
Sign $-1$
Analytic cond. $11.3467$
Root an. cond. $3.36849$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.37i·3-s + 2·4-s − 8.38·9-s − 6.74i·12-s + 4·16-s − 1.29i·17-s − 4.67i·19-s − 5.38·23-s − 5·25-s + 18.1i·27-s − 5.38·29-s − 5.44i·31-s − 16.7·36-s − 11.4i·41-s − 8.82i·47-s − 13.4i·48-s + ⋯
L(s)  = 1  − 1.94i·3-s + 4-s − 2.79·9-s − 1.94i·12-s + 16-s − 0.315i·17-s − 1.07i·19-s − 1.12·23-s − 25-s + 3.49i·27-s − 1.00·29-s − 0.978i·31-s − 2.79·36-s − 1.78i·41-s − 1.28i·47-s − 1.94i·48-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1421 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1421 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1421\)    =    \(7^{2} \cdot 29\)
Sign: $-1$
Analytic conductor: \(11.3467\)
Root analytic conductor: \(3.36849\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1421} (1275, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1421,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.534194631\)
\(L(\frac12)\) \(\approx\) \(1.534194631\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
29 \( 1 + 5.38T \)
good2 \( 1 - 2T^{2} \)
3 \( 1 + 3.37iT - 3T^{2} \)
5 \( 1 + 5T^{2} \)
11 \( 1 - 11T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 + 1.29iT - 17T^{2} \)
19 \( 1 + 4.67iT - 19T^{2} \)
23 \( 1 + 5.38T + 23T^{2} \)
31 \( 1 + 5.44iT - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 11.4iT - 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 8.82iT - 47T^{2} \)
53 \( 1 + 3T + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 14.7iT - 61T^{2} \)
67 \( 1 - 16.1T + 67T^{2} \)
71 \( 1 - 9T + 71T^{2} \)
73 \( 1 - 0.774iT - 73T^{2} \)
79 \( 1 - 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 - 12.7iT - 89T^{2} \)
97 \( 1 + 15.5iT - 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.842875466687023960583634590909, −8.021380972231543664864596421182, −7.35366284371582558770262995560, −6.91184901124406458959840678261, −6.01845934812948731081974007004, −5.49043782270745100912760161340, −3.62450109551829759489567693064, −2.37766907640515182174924106243, −1.96687228708635623723464391650, −0.55098905762593484278284305193, 2.03187306458562935893179764301, 3.28102467213452728119192838493, 3.82724595947184032610519009661, 4.87617425859207973323015263588, 5.81025758771523710409375243260, 6.32058028211758463037541295993, 7.83674858120868984608722296676, 8.313861207747474362838730107912, 9.581365400385088697420831557780, 9.855261840461110286935323477677

Graph of the $Z$-function along the critical line