Properties

Label 2-2e6-64.21-c1-0-5
Degree $2$
Conductor $64$
Sign $0.987 + 0.156i$
Analytic cond. $0.511042$
Root an. cond. $0.714872$
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 + 0.758i)2-s + (−0.599 − 3.01i)3-s + (0.849 + 1.81i)4-s + (−1.78 + 1.19i)5-s + (1.57 − 4.05i)6-s + (1.99 + 0.825i)7-s + (−0.359 + 2.80i)8-s + (−5.95 + 2.46i)9-s + (−3.03 + 0.0695i)10-s + (−3.15 − 0.626i)11-s + (4.94 − 3.64i)12-s + (0.0943 + 0.0630i)13-s + (1.75 + 2.49i)14-s + (4.66 + 4.66i)15-s + (−2.55 + 3.07i)16-s + (2.42 − 2.42i)17-s + ⋯
L(s)  = 1  + (0.843 + 0.536i)2-s + (−0.346 − 1.74i)3-s + (0.424 + 0.905i)4-s + (−0.798 + 0.533i)5-s + (0.641 − 1.65i)6-s + (0.753 + 0.311i)7-s + (−0.127 + 0.991i)8-s + (−1.98 + 0.822i)9-s + (−0.959 + 0.0219i)10-s + (−0.949 − 0.188i)11-s + (1.42 − 1.05i)12-s + (0.0261 + 0.0174i)13-s + (0.468 + 0.667i)14-s + (1.20 + 1.20i)15-s + (−0.639 + 0.768i)16-s + (0.587 − 0.587i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 64 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.987 + 0.156i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 64 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.987 + 0.156i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(64\)    =    \(2^{6}\)
Sign: $0.987 + 0.156i$
Analytic conductor: \(0.511042\)
Root analytic conductor: \(0.714872\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{64} (21, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 64,\ (\ :1/2),\ 0.987 + 0.156i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.12441 - 0.0884835i\)
\(L(\frac12)\) \(\approx\) \(1.12441 - 0.0884835i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.19 - 0.758i)T \)
good3 \( 1 + (0.599 + 3.01i)T + (-2.77 + 1.14i)T^{2} \)
5 \( 1 + (1.78 - 1.19i)T + (1.91 - 4.61i)T^{2} \)
7 \( 1 + (-1.99 - 0.825i)T + (4.94 + 4.94i)T^{2} \)
11 \( 1 + (3.15 + 0.626i)T + (10.1 + 4.20i)T^{2} \)
13 \( 1 + (-0.0943 - 0.0630i)T + (4.97 + 12.0i)T^{2} \)
17 \( 1 + (-2.42 + 2.42i)T - 17iT^{2} \)
19 \( 1 + (-1.93 + 2.89i)T + (-7.27 - 17.5i)T^{2} \)
23 \( 1 + (1.33 + 3.22i)T + (-16.2 + 16.2i)T^{2} \)
29 \( 1 + (-2.01 + 0.401i)T + (26.7 - 11.0i)T^{2} \)
31 \( 1 + 4.16iT - 31T^{2} \)
37 \( 1 + (-5.48 - 8.20i)T + (-14.1 + 34.1i)T^{2} \)
41 \( 1 + (-0.347 - 0.839i)T + (-28.9 + 28.9i)T^{2} \)
43 \( 1 + (-0.925 + 4.65i)T + (-39.7 - 16.4i)T^{2} \)
47 \( 1 + (8.31 - 8.31i)T - 47iT^{2} \)
53 \( 1 + (-0.565 - 0.112i)T + (48.9 + 20.2i)T^{2} \)
59 \( 1 + (0.649 - 0.434i)T + (22.5 - 54.5i)T^{2} \)
61 \( 1 + (0.528 + 2.65i)T + (-56.3 + 23.3i)T^{2} \)
67 \( 1 + (-0.971 - 4.88i)T + (-61.8 + 25.6i)T^{2} \)
71 \( 1 + (-9.38 - 3.88i)T + (50.2 + 50.2i)T^{2} \)
73 \( 1 + (-12.6 + 5.23i)T + (51.6 - 51.6i)T^{2} \)
79 \( 1 + (3.50 + 3.50i)T + 79iT^{2} \)
83 \( 1 + (8.25 - 12.3i)T + (-31.7 - 76.6i)T^{2} \)
89 \( 1 + (-4.98 + 12.0i)T + (-62.9 - 62.9i)T^{2} \)
97 \( 1 + 4.06iT - 97T^{2} \)
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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

−14.68507757976928866516500184756, −13.72262684916799241827988300315, −12.80765512018832278908391759494, −11.75146596030908303749914963216, −11.24143822679253081886187299597, −8.124347495348215441449389442923, −7.64479943838370142962658680926, −6.51120548984774388195918624719, −5.16436684260123782000689073814, −2.71604333004301834516227145896, 3.61682320104560084102309492155, 4.64068984854310141878158412900, 5.54804744515139580197013231643, 8.051172235354134488649996811693, 9.718900887898629418280226275970, 10.63382142818057126471641305252, 11.46293360762739200641384576547, 12.49471678783671229308285793835, 14.14842031311944412092415622375, 15.03275708893741029406675055066

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