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Properties

Label 2-840-840.797-c0-0-10
Degree $2$
Conductor $840$
Sign $0.525 + 0.850i$
Analytic cond. $0.419214$
Root an. cond. $0.647467$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.707 − 0.707i)2-s + (0.923 + 0.382i)3-s − 1.00i·4-s + (−0.382 − 0.923i)5-s + (0.923 − 0.382i)6-s + (0.707 + 0.707i)7-s + (−0.707 − 0.707i)8-s + (0.707 + 0.707i)9-s + (−0.923 − 0.382i)10-s + (0.382 − 0.923i)12-s + (−1.30 + 1.30i)13-s + 1.00·14-s − i·15-s − 1.00·16-s + 18-s − 0.765i·19-s + ⋯
L(s)  = 1  + (0.707 − 0.707i)2-s + (0.923 + 0.382i)3-s − 1.00i·4-s + (−0.382 − 0.923i)5-s + (0.923 − 0.382i)6-s + (0.707 + 0.707i)7-s + (−0.707 − 0.707i)8-s + (0.707 + 0.707i)9-s + (−0.923 − 0.382i)10-s + (0.382 − 0.923i)12-s + (−1.30 + 1.30i)13-s + 1.00·14-s − i·15-s − 1.00·16-s + 18-s − 0.765i·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.525 + 0.850i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(840\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 7\)
Sign: $0.525 + 0.850i$
Analytic conductor: \(0.419214\)
Root analytic conductor: \(0.647467\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{840} (797, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 840,\ (\ :0),\ 0.525 + 0.850i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.742212542\)
\(L(\frac12)\) \(\approx\) \(1.742212542\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.707 + 0.707i)T \)
3 \( 1 + (-0.923 - 0.382i)T \)
5 \( 1 + (0.382 + 0.923i)T \)
7 \( 1 + (-0.707 - 0.707i)T \)
good11 \( 1 + T^{2} \)
13 \( 1 + (1.30 - 1.30i)T - iT^{2} \)
17 \( 1 + iT^{2} \)
19 \( 1 + 0.765iT - T^{2} \)
23 \( 1 + (1 + i)T + iT^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - iT^{2} \)
41 \( 1 + T^{2} \)
43 \( 1 + iT^{2} \)
47 \( 1 + iT^{2} \)
53 \( 1 - iT^{2} \)
59 \( 1 + 0.765T + T^{2} \)
61 \( 1 - 1.84T + T^{2} \)
67 \( 1 - iT^{2} \)
71 \( 1 - 1.41iT - T^{2} \)
73 \( 1 + iT^{2} \)
79 \( 1 + 1.41iT - T^{2} \)
83 \( 1 + (-0.541 - 0.541i)T + iT^{2} \)
89 \( 1 - T^{2} \)
97 \( 1 - iT^{2} \)
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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

−10.18884991007780340949458464042, −9.361527105159831421316789219682, −8.863790145333007437534645384449, −7.952193204480424376914806341819, −6.81963766864865702319758876895, −5.35672777044677713320924898954, −4.61880350897540286663537687366, −4.10831182486204809594423820310, −2.60937578318371307073940951499, −1.83630514535151178492272383011, 2.25480452861876754360783634744, 3.32385379317349383642297516461, 4.04660642380497022441242921538, 5.23519761437822161147227665876, 6.39206330035907945201523246089, 7.44266842185411688767053165566, 7.66667762972638475235669069658, 8.319287410440639393894778689005, 9.718704304859890964433570794525, 10.45362254082624704172055619897

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