Properties

Label 2-1664-8.5-c1-0-40
Degree $2$
Conductor $1664$
Sign $-0.707 + 0.707i$
Analytic cond. $13.2871$
Root an. cond. $3.64514$
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  − 1.81i·3-s − 2.70i·5-s + 2.58·7-s − 0.298·9-s + 0.772i·11-s i·13-s − 4.90·15-s − 0.701·17-s − 4.40i·19-s − 4.70i·21-s + 3.63·23-s − 2.29·25-s − 4.90i·27-s − 2i·29-s + 5.95·31-s + ⋯
L(s)  = 1  − 1.04i·3-s − 1.20i·5-s + 0.978·7-s − 0.0994·9-s + 0.232i·11-s − 0.277i·13-s − 1.26·15-s − 0.170·17-s − 1.01i·19-s − 1.02i·21-s + 0.757·23-s − 0.459·25-s − 0.944i·27-s − 0.371i·29-s + 1.06·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.707 + 0.707i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.707 + 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $-0.707 + 0.707i$
Analytic conductor: \(13.2871\)
Root analytic conductor: \(3.64514\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1664} (833, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1664,\ (\ :1/2),\ -0.707 + 0.707i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.932298912\)
\(L(\frac12)\) \(\approx\) \(1.932298912\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
13 \( 1 + iT \)
good3 \( 1 + 1.81iT - 3T^{2} \)
5 \( 1 + 2.70iT - 5T^{2} \)
7 \( 1 - 2.58T + 7T^{2} \)
11 \( 1 - 0.772iT - 11T^{2} \)
17 \( 1 + 0.701T + 17T^{2} \)
19 \( 1 + 4.40iT - 19T^{2} \)
23 \( 1 - 3.63T + 23T^{2} \)
29 \( 1 + 2iT - 29T^{2} \)
31 \( 1 - 5.95T + 31T^{2} \)
37 \( 1 + 6.70iT - 37T^{2} \)
41 \( 1 + 11.4T + 41T^{2} \)
43 \( 1 - 10.0iT - 43T^{2} \)
47 \( 1 - 9.31T + 47T^{2} \)
53 \( 1 - 1.40iT - 53T^{2} \)
59 \( 1 - 2.85iT - 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 12.6iT - 67T^{2} \)
71 \( 1 + 1.04T + 71T^{2} \)
73 \( 1 + 7.40T + 73T^{2} \)
79 \( 1 + 2.08T + 79T^{2} \)
83 \( 1 + 9.58iT - 83T^{2} \)
89 \( 1 + 11.4T + 89T^{2} \)
97 \( 1 - 10T + 97T^{2} \)
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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

−8.779034345790656712794182224398, −8.308534798931805449986328520568, −7.50283223636639314404368651419, −6.85028579680785742707735090957, −5.77762343213665783379286193078, −4.85730947131298683905851441046, −4.35293151883386116980407098943, −2.67461910804919592598088679456, −1.57850004246862123975302697670, −0.802001423916207920060838061641, 1.65468930621483847090460952823, 2.96020137619498400375249156727, 3.75584890588958472980431483308, 4.66479884736988741823673066360, 5.40470211050028906063053057866, 6.53516742399342908874998953220, 7.20037112143827759330198672870, 8.182716864639131448977987811402, 8.884472652395008819484926622079, 9.930239068120496568384984455077

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