Properties

Label 2-315-5.4-c1-0-12
Degree $2$
Conductor $315$
Sign $-0.990 + 0.139i$
Analytic cond. $2.51528$
Root an. cond. $1.58596$
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  − 1.90i·2-s − 1.62·4-s + (−0.311 − 2.21i)5-s + i·7-s − 0.719i·8-s + (−4.21 + 0.592i)10-s − 2·11-s − 6.42i·13-s + 1.90·14-s − 4.61·16-s + 4.42i·17-s + 2.42·19-s + (0.504 + 3.59i)20-s + 3.80i·22-s − 1.37i·23-s + ⋯
L(s)  = 1  − 1.34i·2-s − 0.811·4-s + (−0.139 − 0.990i)5-s + 0.377i·7-s − 0.254i·8-s + (−1.33 + 0.187i)10-s − 0.603·11-s − 1.78i·13-s + 0.508·14-s − 1.15·16-s + 1.07i·17-s + 0.557·19-s + (0.112 + 0.803i)20-s + 0.811i·22-s − 0.287i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 315 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.990 + 0.139i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 315 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.990 + 0.139i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(315\)    =    \(3^{2} \cdot 5 \cdot 7\)
Sign: $-0.990 + 0.139i$
Analytic conductor: \(2.51528\)
Root analytic conductor: \(1.58596\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{315} (64, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 315,\ (\ :1/2),\ -0.990 + 0.139i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0807292 - 1.15482i\)
\(L(\frac12)\) \(\approx\) \(0.0807292 - 1.15482i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 + (0.311 + 2.21i)T \)
7 \( 1 - iT \)
good2 \( 1 + 1.90iT - 2T^{2} \)
11 \( 1 + 2T + 11T^{2} \)
13 \( 1 + 6.42iT - 13T^{2} \)
17 \( 1 - 4.42iT - 17T^{2} \)
19 \( 1 - 2.42T + 19T^{2} \)
23 \( 1 + 1.37iT - 23T^{2} \)
29 \( 1 - 0.755T + 29T^{2} \)
31 \( 1 - 5.18T + 31T^{2} \)
37 \( 1 + 7.61iT - 37T^{2} \)
41 \( 1 - 8.23T + 41T^{2} \)
43 \( 1 - 10.1iT - 43T^{2} \)
47 \( 1 - 2.75iT - 47T^{2} \)
53 \( 1 + 9.18iT - 53T^{2} \)
59 \( 1 - 14.1T + 59T^{2} \)
61 \( 1 - 6.85T + 61T^{2} \)
67 \( 1 + 2.75iT - 67T^{2} \)
71 \( 1 + 2T + 71T^{2} \)
73 \( 1 + 1.57iT - 73T^{2} \)
79 \( 1 - 4.85T + 79T^{2} \)
83 \( 1 + 11.6iT - 83T^{2} \)
89 \( 1 - 4.62T + 89T^{2} \)
97 \( 1 - 11.9iT - 97T^{2} \)
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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

−11.23634399219264973760496959229, −10.37724746837509704687809318791, −9.650483375477971095456722590059, −8.530731779781006143321486675667, −7.75833569721848916016236654672, −5.96417519311501408671529703200, −4.92992100142721254911065845139, −3.65950212843545944732624227888, −2.46289224517229816143212144231, −0.860010997950586480453610133078, 2.54434295755822099227426245685, 4.20842191549375276953173246011, 5.39251499186880952926456768582, 6.63602379162579032305666917481, 7.07937436011792164460390027537, 7.938948381262878704563636426384, 9.107043092047783664133749077022, 10.10655980499516049302005459486, 11.29576669918162381250178224716, 11.84242126176842143682160253316

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