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Properties

Label 2-28e2-7.4-c1-0-10
Degree $2$
Conductor $784$
Sign $0.991 - 0.126i$
Analytic cond. $6.26027$
Root an. cond. $2.50205$
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 − 1.73i)3-s + (2 + 3.46i)5-s + (−0.499 − 0.866i)9-s + 7.99·15-s + (1 − 1.73i)17-s + (−1 − 1.73i)19-s + (4 + 6.92i)23-s + (−5.49 + 9.52i)25-s + 4.00·27-s + 2·29-s + (2 − 3.46i)31-s + (3 + 5.19i)37-s − 2·41-s − 8·43-s + (1.99 − 3.46i)45-s + ⋯
L(s)  = 1  + (0.577 − 0.999i)3-s + (0.894 + 1.54i)5-s + (−0.166 − 0.288i)9-s + 2.06·15-s + (0.242 − 0.420i)17-s + (−0.229 − 0.397i)19-s + (0.834 + 1.44i)23-s + (−1.09 + 1.90i)25-s + 0.769·27-s + 0.371·29-s + (0.359 − 0.622i)31-s + (0.493 + 0.854i)37-s − 0.312·41-s − 1.21·43-s + (0.298 − 0.516i)45-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.991 - 0.126i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 784 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.991 - 0.126i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(784\)    =    \(2^{4} \cdot 7^{2}\)
Sign: $0.991 - 0.126i$
Analytic conductor: \(6.26027\)
Root analytic conductor: \(2.50205\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{784} (753, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 784,\ (\ :1/2),\ 0.991 - 0.126i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.20385 + 0.139856i\)
\(L(\frac12)\) \(\approx\) \(2.20385 + 0.139856i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 \)
good3 \( 1 + (-1 + 1.73i)T + (-1.5 - 2.59i)T^{2} \)
5 \( 1 + (-2 - 3.46i)T + (-2.5 + 4.33i)T^{2} \)
11 \( 1 + (-5.5 - 9.52i)T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 + (-1 + 1.73i)T + (-8.5 - 14.7i)T^{2} \)
19 \( 1 + (1 + 1.73i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-4 - 6.92i)T + (-11.5 + 19.9i)T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 + (-2 + 3.46i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (-3 - 5.19i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + 2T + 41T^{2} \)
43 \( 1 + 8T + 43T^{2} \)
47 \( 1 + (2 + 3.46i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (-5 + 8.66i)T + (-26.5 - 45.8i)T^{2} \)
59 \( 1 + (-3 + 5.19i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (2 + 3.46i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (6 - 10.3i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + (-7 + 12.1i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (4 + 6.92i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + 6T + 83T^{2} \)
89 \( 1 + (5 + 8.66i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + 2T + 97T^{2} \)
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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

−10.18757079550393296912608702903, −9.614538880047030733502274423082, −8.474705804600539351787323355993, −7.48875275460665815851260761246, −6.92599685347346531152144476027, −6.25629738510967164543363407084, −5.12459784446540046217163211228, −3.34644279965749150319468135345, −2.61132341614591274320935923971, −1.62418597665957358110667484267, 1.22054487758578256379095422854, 2.68402778144868303550679469172, 4.08022324019067241610113110243, 4.74651553921977127490508082889, 5.59595534081014243340137400865, 6.64662886532235588787612337134, 8.234528934786063440154860140464, 8.703615828575611585298132826406, 9.385629454929749075372839167549, 10.07146420874460009865246895887

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