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Properties

Label 2-2646-63.16-c1-0-0
Degree $2$
Conductor $2646$
Sign $-0.858 + 0.512i$
Analytic cond. $21.1284$
Root an. cond. $4.59656$
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  + (0.5 + 0.866i)2-s + (−0.499 + 0.866i)4-s + 1.03·5-s − 0.999·8-s + (0.517 + 0.896i)10-s + 0.267·11-s + (−0.896 − 1.55i)13-s + (−0.5 − 0.866i)16-s + (−3.41 − 5.91i)17-s + (−2.19 + 3.79i)19-s + (−0.517 + 0.896i)20-s + (0.133 + 0.232i)22-s − 5.46·23-s − 3.92·25-s + (0.896 − 1.55i)26-s + ⋯
L(s)  = 1  + (0.353 + 0.612i)2-s + (−0.249 + 0.433i)4-s + 0.462·5-s − 0.353·8-s + (0.163 + 0.283i)10-s + 0.0807·11-s + (−0.248 − 0.430i)13-s + (−0.125 − 0.216i)16-s + (−0.828 − 1.43i)17-s + (−0.502 + 0.870i)19-s + (−0.115 + 0.200i)20-s + (0.0285 + 0.0494i)22-s − 1.13·23-s − 0.785·25-s + (0.175 − 0.304i)26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.858 + 0.512i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.858 + 0.512i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2646\)    =    \(2 \cdot 3^{3} \cdot 7^{2}\)
Sign: $-0.858 + 0.512i$
Analytic conductor: \(21.1284\)
Root analytic conductor: \(4.59656\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2646} (667, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2646,\ (\ :1/2),\ -0.858 + 0.512i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3305801095\)
\(L(\frac12)\) \(\approx\) \(0.3305801095\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.5 - 0.866i)T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 - 1.03T + 5T^{2} \)
11 \( 1 - 0.267T + 11T^{2} \)
13 \( 1 + (0.896 + 1.55i)T + (-6.5 + 11.2i)T^{2} \)
17 \( 1 + (3.41 + 5.91i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (2.19 - 3.79i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + 5.46T + 23T^{2} \)
29 \( 1 + (2 - 3.46i)T + (-14.5 - 25.1i)T^{2} \)
31 \( 1 + (3.34 - 5.79i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (3.73 - 6.46i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (4.31 + 7.46i)T + (-20.5 + 35.5i)T^{2} \)
43 \( 1 + (0.133 - 0.232i)T + (-21.5 - 37.2i)T^{2} \)
47 \( 1 + (-0.378 - 0.656i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (-5.46 - 9.46i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (0.637 - 1.10i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-6.31 - 10.9i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (6.23 - 10.7i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + 9.46T + 71T^{2} \)
73 \( 1 + (2.70 + 4.69i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (4.46 + 7.73i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (-3.29 + 5.70i)T + (-41.5 - 71.8i)T^{2} \)
89 \( 1 + (-3.53 + 6.12i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (-9.07 + 15.7i)T + (-48.5 - 84.0i)T^{2} \)
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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

−9.023297626365560489168453268310, −8.644442744611408625364140519901, −7.53887627600752866236878324010, −7.09561723716101819002911102169, −6.12080921151376482959577414863, −5.53984144304428012845884463058, −4.72216997821771068807871798566, −3.83889064648379731289491162530, −2.82851346356519400829729360265, −1.75168986250497225936125577746, 0.084740466078501274848349560385, 1.87817423891224964845696791548, 2.25080183264088994708685889755, 3.72105259286060591901793402241, 4.21836148022758146909077105686, 5.23040011993465269228820506390, 6.10203310247620630761912759008, 6.60240016087694278054274921862, 7.75260052145616761861283513296, 8.549906141219654759222662552704

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