Properties

Label 2-672-8.5-c1-0-11
Degree $2$
Conductor $672$
Sign $-0.898 + 0.439i$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
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  i·3-s − 3.69i·5-s − 7-s − 9-s + 3.21i·11-s − 5.08i·13-s − 3.69·15-s + 0.616·17-s − 4.48i·19-s + i·21-s − 1.38·23-s − 8.67·25-s + i·27-s + 5.67i·29-s − 6.91·31-s + ⋯
L(s)  = 1  − 0.577i·3-s − 1.65i·5-s − 0.377·7-s − 0.333·9-s + 0.968i·11-s − 1.40i·13-s − 0.954·15-s + 0.149·17-s − 1.02i·19-s + 0.218i·21-s − 0.288·23-s − 1.73·25-s + 0.192i·27-s + 1.05i·29-s − 1.24·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.898 + 0.439i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.898 + 0.439i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $-0.898 + 0.439i$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{672} (337, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ -0.898 + 0.439i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.241884 - 1.04504i\)
\(L(\frac12)\) \(\approx\) \(0.241884 - 1.04504i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + iT \)
7 \( 1 + T \)
good5 \( 1 + 3.69iT - 5T^{2} \)
11 \( 1 - 3.21iT - 11T^{2} \)
13 \( 1 + 5.08iT - 13T^{2} \)
17 \( 1 - 0.616T + 17T^{2} \)
19 \( 1 + 4.48iT - 19T^{2} \)
23 \( 1 + 1.38T + 23T^{2} \)
29 \( 1 - 5.67iT - 29T^{2} \)
31 \( 1 + 6.91T + 31T^{2} \)
37 \( 1 - 6.91iT - 37T^{2} \)
41 \( 1 + 0.616T + 41T^{2} \)
43 \( 1 + 7.99iT - 43T^{2} \)
47 \( 1 + 4.97T + 47T^{2} \)
53 \( 1 + 4.48iT - 53T^{2} \)
59 \( 1 - 4iT - 59T^{2} \)
61 \( 1 + 12.4iT - 61T^{2} \)
67 \( 1 + 9.56iT - 67T^{2} \)
71 \( 1 - 15.2T + 71T^{2} \)
73 \( 1 - 15.5T + 73T^{2} \)
79 \( 1 - 5.23T + 79T^{2} \)
83 \( 1 + 10.4iT - 83T^{2} \)
89 \( 1 + 14.1T + 89T^{2} \)
97 \( 1 - 9.73T + 97T^{2} \)
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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

−9.951487539775736761832626115598, −9.194661143377129458933079378103, −8.391107508057900772343522295101, −7.63512883470481700051397519940, −6.63176531719125770704253100855, −5.35240212362635618058292256400, −4.89609927693205567021358196923, −3.45050967869519113768929490690, −1.90183814289511450978458086845, −0.55789665340972688815260148631, 2.25629264749389193187153452818, 3.40989650807353022230008631612, 4.06105053458875008439726220617, 5.72517025042262263691196890061, 6.37375022321200336871555247898, 7.24786857348956595256755548400, 8.267665302142243675138732371213, 9.432895230794566173279407221565, 9.989540036357307050124259422135, 11.03694769819307509823106948425

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