Properties

Label 2-304-19.18-c4-0-26
Degree $2$
Conductor $304$
Sign $0.957 + 0.288i$
Analytic cond. $31.4244$
Root an. cond. $5.60575$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.51i·3-s + 15.8·5-s + 74.7·7-s + 78.7·9-s − 8.49·11-s − 283. i·13-s + 23.9i·15-s − 36.0·17-s + (345. + 104. i)19-s + 113. i·21-s − 488.·23-s − 375.·25-s + 241. i·27-s − 492. i·29-s + 1.28e3i·31-s + ⋯
L(s)  = 1  + 0.168i·3-s + 0.632·5-s + 1.52·7-s + 0.971·9-s − 0.0702·11-s − 1.68i·13-s + 0.106i·15-s − 0.124·17-s + (0.957 + 0.288i)19-s + 0.256i·21-s − 0.923·23-s − 0.600·25-s + 0.331i·27-s − 0.585i·29-s + 1.33i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 304 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.957 + 0.288i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 304 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.957 + 0.288i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(304\)    =    \(2^{4} \cdot 19\)
Sign: $0.957 + 0.288i$
Analytic conductor: \(31.4244\)
Root analytic conductor: \(5.60575\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{304} (113, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 304,\ (\ :2),\ 0.957 + 0.288i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(2.903408471\)
\(L(\frac12)\) \(\approx\) \(2.903408471\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 + (-345. - 104. i)T \)
good3 \( 1 - 1.51iT - 81T^{2} \)
5 \( 1 - 15.8T + 625T^{2} \)
7 \( 1 - 74.7T + 2.40e3T^{2} \)
11 \( 1 + 8.49T + 1.46e4T^{2} \)
13 \( 1 + 283. iT - 2.85e4T^{2} \)
17 \( 1 + 36.0T + 8.35e4T^{2} \)
23 \( 1 + 488.T + 2.79e5T^{2} \)
29 \( 1 + 492. iT - 7.07e5T^{2} \)
31 \( 1 - 1.28e3iT - 9.23e5T^{2} \)
37 \( 1 + 2.13e3iT - 1.87e6T^{2} \)
41 \( 1 + 2.07e3iT - 2.82e6T^{2} \)
43 \( 1 - 3.05e3T + 3.41e6T^{2} \)
47 \( 1 + 1.21e3T + 4.87e6T^{2} \)
53 \( 1 - 4.68e3iT - 7.89e6T^{2} \)
59 \( 1 + 3.20e3iT - 1.21e7T^{2} \)
61 \( 1 - 2.16e3T + 1.38e7T^{2} \)
67 \( 1 - 6.86e3iT - 2.01e7T^{2} \)
71 \( 1 + 6.26e3iT - 2.54e7T^{2} \)
73 \( 1 - 2.39e3T + 2.83e7T^{2} \)
79 \( 1 + 1.31e3iT - 3.89e7T^{2} \)
83 \( 1 + 672.T + 4.74e7T^{2} \)
89 \( 1 - 1.11e4iT - 6.27e7T^{2} \)
97 \( 1 - 1.06e4iT - 8.85e7T^{2} \)
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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

−10.78139902151766616369627695056, −10.28162012845148012604881824011, −9.230323297900177016668582358247, −7.983601472362968270478220801276, −7.45329193203621185856783494964, −5.80175883057918772567679889741, −5.10175060957036494686038407083, −3.87895261526777080941433914016, −2.20498538306078922519737096524, −1.04798330473150124810345572423, 1.37056151709655317818985439741, 2.10531269556153519018220307282, 4.15217741499981980194652200861, 4.94698179282126717541254477886, 6.23801877505111240643404490102, 7.31001409473013800505353136625, 8.166952795095867717580007980065, 9.366347385325897546329356479515, 10.05578504664505416804676049753, 11.40052818054186771771602422376

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