Properties

Label 2-2e7-8.3-c2-0-2
Degree $2$
Conductor $128$
Sign $1$
Analytic cond. $3.48774$
Root an. cond. $1.86755$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5.65·3-s + 23.0·9-s + 16.9·11-s − 2·17-s + 16.9·19-s + 25·25-s − 79.1·27-s − 96·33-s − 46·41-s + 84.8·43-s + 49·49-s + 11.3·51-s − 96·57-s + 84.8·59-s − 118.·67-s + 142·73-s − 141.·75-s + 241.·81-s − 50.9·83-s − 146·89-s + 94·97-s + 390.·99-s − 118.·107-s + 98·113-s + ⋯
L(s)  = 1  − 1.88·3-s + 2.55·9-s + 1.54·11-s − 0.117·17-s + 0.893·19-s + 25-s − 2.93·27-s − 2.90·33-s − 1.12·41-s + 1.97·43-s + 0.999·49-s + 0.221·51-s − 1.68·57-s + 1.43·59-s − 1.77·67-s + 1.94·73-s − 1.88·75-s + 2.97·81-s − 0.613·83-s − 1.64·89-s + 0.969·97-s + 3.94·99-s − 1.11·107-s + 0.867·113-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $1$
Analytic conductor: \(3.48774\)
Root analytic conductor: \(1.86755\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (63, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.8396492127\)
\(L(\frac12)\) \(\approx\) \(0.8396492127\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 5.65T + 9T^{2} \)
5 \( 1 - 25T^{2} \)
7 \( 1 - 49T^{2} \)
11 \( 1 - 16.9T + 121T^{2} \)
13 \( 1 - 169T^{2} \)
17 \( 1 + 2T + 289T^{2} \)
19 \( 1 - 16.9T + 361T^{2} \)
23 \( 1 - 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 - 1.36e3T^{2} \)
41 \( 1 + 46T + 1.68e3T^{2} \)
43 \( 1 - 84.8T + 1.84e3T^{2} \)
47 \( 1 - 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 84.8T + 3.48e3T^{2} \)
61 \( 1 - 3.72e3T^{2} \)
67 \( 1 + 118.T + 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 142T + 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 + 50.9T + 6.88e3T^{2} \)
89 \( 1 + 146T + 7.92e3T^{2} \)
97 \( 1 - 94T + 9.40e3T^{2} \)
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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

−12.69602036052100301427464019525, −11.91844591660938789248986235130, −11.25806410973001562216721794998, −10.25182571858187948810604443315, −9.139638341863787751974343278040, −7.21773965175082882891014266140, −6.38976711614680935415344241130, −5.32229107117865443618969485744, −4.10067531972306356336740149514, −1.08021558842548084218516329390, 1.08021558842548084218516329390, 4.10067531972306356336740149514, 5.32229107117865443618969485744, 6.38976711614680935415344241130, 7.21773965175082882891014266140, 9.139638341863787751974343278040, 10.25182571858187948810604443315, 11.25806410973001562216721794998, 11.91844591660938789248986235130, 12.69602036052100301427464019525

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