Properties

Label 2-68-68.39-c1-0-0
Degree $2$
Conductor $68$
Sign $0.308 - 0.951i$
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  + (−1.19 − 0.753i)2-s + (−1.51 + 1.01i)3-s + (0.865 + 1.80i)4-s + (−0.618 + 3.10i)5-s + (2.58 − 0.0705i)6-s + (1.63 − 0.325i)7-s + (0.322 − 2.80i)8-s + (0.130 − 0.314i)9-s + (3.08 − 3.25i)10-s + (−2.21 + 3.31i)11-s + (−3.14 − 1.86i)12-s + (−1.46 − 1.46i)13-s + (−2.20 − 0.843i)14-s + (−2.21 − 5.35i)15-s + (−2.50 + 3.11i)16-s + (3.44 − 2.26i)17-s + ⋯
L(s)  = 1  + (−0.846 − 0.532i)2-s + (−0.877 + 0.586i)3-s + (0.432 + 0.901i)4-s + (−0.276 + 1.39i)5-s + (1.05 − 0.0288i)6-s + (0.619 − 0.123i)7-s + (0.114 − 0.993i)8-s + (0.0433 − 0.104i)9-s + (0.974 − 1.02i)10-s + (−0.667 + 0.999i)11-s + (−0.908 − 0.537i)12-s + (−0.406 − 0.406i)13-s + (−0.589 − 0.225i)14-s + (−0.572 − 1.38i)15-s + (−0.625 + 0.779i)16-s + (0.835 − 0.549i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.308 - 0.951i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 68 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.308 - 0.951i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(68\)    =    \(2^{2} \cdot 17\)
Sign: $0.308 - 0.951i$
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: \((2,\ 68,\ (\ :1/2),\ 0.308 - 0.951i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.377136 + 0.274064i\)
\(L(\frac12)\) \(\approx\) \(0.377136 + 0.274064i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.19 + 0.753i)T \)
17 \( 1 + (-3.44 + 2.26i)T \)
good3 \( 1 + (1.51 - 1.01i)T + (1.14 - 2.77i)T^{2} \)
5 \( 1 + (0.618 - 3.10i)T + (-4.61 - 1.91i)T^{2} \)
7 \( 1 + (-1.63 + 0.325i)T + (6.46 - 2.67i)T^{2} \)
11 \( 1 + (2.21 - 3.31i)T + (-4.20 - 10.1i)T^{2} \)
13 \( 1 + (1.46 + 1.46i)T + 13iT^{2} \)
19 \( 1 + (-5.50 + 2.28i)T + (13.4 - 13.4i)T^{2} \)
23 \( 1 + (0.448 + 0.299i)T + (8.80 + 21.2i)T^{2} \)
29 \( 1 + (-3.34 - 0.664i)T + (26.7 + 11.0i)T^{2} \)
31 \( 1 + (-5.34 - 7.99i)T + (-11.8 + 28.6i)T^{2} \)
37 \( 1 + (-1.82 - 2.72i)T + (-14.1 + 34.1i)T^{2} \)
41 \( 1 + (1.27 + 6.40i)T + (-37.8 + 15.6i)T^{2} \)
43 \( 1 + (3.07 + 1.27i)T + (30.4 + 30.4i)T^{2} \)
47 \( 1 + (1.17 - 1.17i)T - 47iT^{2} \)
53 \( 1 + (-2.80 - 6.77i)T + (-37.4 + 37.4i)T^{2} \)
59 \( 1 + (-4.92 + 11.8i)T + (-41.7 - 41.7i)T^{2} \)
61 \( 1 + (-2.19 + 0.435i)T + (56.3 - 23.3i)T^{2} \)
67 \( 1 + 3.60T + 67T^{2} \)
71 \( 1 + (1.19 - 0.800i)T + (27.1 - 65.5i)T^{2} \)
73 \( 1 + (-0.707 + 3.55i)T + (-67.4 - 27.9i)T^{2} \)
79 \( 1 + (3.43 - 5.14i)T + (-30.2 - 72.9i)T^{2} \)
83 \( 1 + (-0.913 - 2.20i)T + (-58.6 + 58.6i)T^{2} \)
89 \( 1 + (-8.54 + 8.54i)T - 89iT^{2} \)
97 \( 1 + (6.56 + 1.30i)T + (89.6 + 37.1i)T^{2} \)
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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

−15.35158395869901826889310283859, −14.02213622144046368033452004826, −12.18524557988934901380493389490, −11.38993773345263664994656772352, −10.45665268931580677110119702297, −9.927929413501457848159266873324, −7.88305111685602659633169848789, −6.98155072920108397635672599916, −4.96404710458957712958575682121, −2.91991761865817571294090917683, 1.01531978256073973867723635746, 5.11200062035260273514543586479, 5.98885444359288309468935012454, 7.71793242533270531961646809093, 8.494703259342992637961901004640, 9.862398648095641538452748432407, 11.44443058948674099654024008295, 12.02204851510051786205897314583, 13.40576828850687953158704556168, 14.79833392559037893397710282155

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