Properties

Label 2-68-68.39-c1-0-2
Degree $2$
Conductor $68$
Sign $0.997 - 0.0667i$
Analytic cond. $0.542982$
Root an. cond. $0.736873$
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  + (−1.26 + 0.634i)2-s + (0.968 − 0.647i)3-s + (1.19 − 1.60i)4-s + (0.0404 − 0.203i)5-s + (−0.814 + 1.43i)6-s + (2.58 − 0.514i)7-s + (−0.494 + 2.78i)8-s + (−0.628 + 1.51i)9-s + (0.0777 + 0.282i)10-s + (0.166 − 0.249i)11-s + (0.120 − 2.32i)12-s + (−2.27 − 2.27i)13-s + (−2.94 + 2.29i)14-s + (−0.0923 − 0.223i)15-s + (−1.14 − 3.83i)16-s + (−3.65 + 1.90i)17-s + ⋯
L(s)  = 1  + (−0.893 + 0.448i)2-s + (0.559 − 0.373i)3-s + (0.597 − 0.801i)4-s + (0.0180 − 0.0908i)5-s + (−0.332 + 0.584i)6-s + (0.978 − 0.194i)7-s + (−0.174 + 0.984i)8-s + (−0.209 + 0.505i)9-s + (0.0245 + 0.0893i)10-s + (0.0503 − 0.0753i)11-s + (0.0348 − 0.671i)12-s + (−0.632 − 0.632i)13-s + (−0.787 + 0.612i)14-s + (−0.0238 − 0.0575i)15-s + (−0.285 − 0.958i)16-s + (−0.887 + 0.461i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.997 - 0.0667i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.997 - 0.0667i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(68\)    =    \(2^{2} \cdot 17\)
Sign: $0.997 - 0.0667i$
Analytic conductor: \(0.542982\)
Root analytic conductor: \(0.736873\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{68} (39, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 68,\ (\ :1/2),\ 0.997 - 0.0667i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.754047 + 0.0251797i\)
\(L(\frac12)\) \(\approx\) \(0.754047 + 0.0251797i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.26 - 0.634i)T \)
17 \( 1 + (3.65 - 1.90i)T \)
good3 \( 1 + (-0.968 + 0.647i)T + (1.14 - 2.77i)T^{2} \)
5 \( 1 + (-0.0404 + 0.203i)T + (-4.61 - 1.91i)T^{2} \)
7 \( 1 + (-2.58 + 0.514i)T + (6.46 - 2.67i)T^{2} \)
11 \( 1 + (-0.166 + 0.249i)T + (-4.20 - 10.1i)T^{2} \)
13 \( 1 + (2.27 + 2.27i)T + 13iT^{2} \)
19 \( 1 + (4.06 - 1.68i)T + (13.4 - 13.4i)T^{2} \)
23 \( 1 + (5.73 + 3.83i)T + (8.80 + 21.2i)T^{2} \)
29 \( 1 + (-3.83 - 0.762i)T + (26.7 + 11.0i)T^{2} \)
31 \( 1 + (-3.47 - 5.19i)T + (-11.8 + 28.6i)T^{2} \)
37 \( 1 + (4.85 + 7.26i)T + (-14.1 + 34.1i)T^{2} \)
41 \( 1 + (-1.40 - 7.05i)T + (-37.8 + 15.6i)T^{2} \)
43 \( 1 + (4.20 + 1.74i)T + (30.4 + 30.4i)T^{2} \)
47 \( 1 + (-3.51 + 3.51i)T - 47iT^{2} \)
53 \( 1 + (2.21 + 5.35i)T + (-37.4 + 37.4i)T^{2} \)
59 \( 1 + (-4.44 + 10.7i)T + (-41.7 - 41.7i)T^{2} \)
61 \( 1 + (-5.17 + 1.02i)T + (56.3 - 23.3i)T^{2} \)
67 \( 1 - 13.4T + 67T^{2} \)
71 \( 1 + (-7.26 + 4.85i)T + (27.1 - 65.5i)T^{2} \)
73 \( 1 + (0.991 - 4.98i)T + (-67.4 - 27.9i)T^{2} \)
79 \( 1 + (6.48 - 9.71i)T + (-30.2 - 72.9i)T^{2} \)
83 \( 1 + (2.51 + 6.06i)T + (-58.6 + 58.6i)T^{2} \)
89 \( 1 + (-6.73 + 6.73i)T - 89iT^{2} \)
97 \( 1 + (1.95 + 0.389i)T + (89.6 + 37.1i)T^{2} \)
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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

−14.68800913582560185764741642506, −14.16196053133989496043387559412, −12.63960806540135416963693409956, −11.11088312919360162881696390885, −10.25301541201460318759249369583, −8.532884988624309459966527904041, −8.121656853095432933472103574884, −6.74880295417673543533409339547, −5.02387373777189678214406350568, −2.12209818536780574077729955009, 2.40725790165054802334953924164, 4.31186522712876485061229620705, 6.69578098668890872478346889084, 8.182378166218362128828769503523, 9.016137873825263885530202048114, 10.09142564840817704228299217903, 11.38415460443841046539393754449, 12.16270031505705329380058598211, 13.80532979584509968777145956327, 14.94174637306727265776886888146

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