Properties

Label 336.2.bl.b
Level 336
Weight 2
Character orbit 336.bl
Analytic conductor 2.683
Analytic rank 1
Dimension 2
CM No
Inner twists 2

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Newspace parameters

Level: \( N \) = \( 336 = 2^{4} \cdot 3 \cdot 7 \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 336.bl (of order \(6\) and degree \(2\))

Newform invariants

Self dual: No
Analytic conductor: \(2.68297350792\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( -1 + \zeta_{6} ) q^{3} + ( -2 + \zeta_{6} ) q^{5} + ( -3 + \zeta_{6} ) q^{7} -\zeta_{6} q^{9} +O(q^{10})\) \( q + ( -1 + \zeta_{6} ) q^{3} + ( -2 + \zeta_{6} ) q^{5} + ( -3 + \zeta_{6} ) q^{7} -\zeta_{6} q^{9} + ( -3 - 3 \zeta_{6} ) q^{11} + ( 4 - 8 \zeta_{6} ) q^{13} + ( 1 - 2 \zeta_{6} ) q^{15} + ( 2 + 2 \zeta_{6} ) q^{17} + 2 \zeta_{6} q^{19} + ( 2 - 3 \zeta_{6} ) q^{21} + ( -8 + 4 \zeta_{6} ) q^{23} + ( -2 + 2 \zeta_{6} ) q^{25} + q^{27} -9 q^{29} + ( 1 - \zeta_{6} ) q^{31} + ( 6 - 3 \zeta_{6} ) q^{33} + ( 5 - 4 \zeta_{6} ) q^{35} + 2 \zeta_{6} q^{37} + ( 4 + 4 \zeta_{6} ) q^{39} + ( -2 + 4 \zeta_{6} ) q^{41} + ( 2 - 4 \zeta_{6} ) q^{43} + ( 1 + \zeta_{6} ) q^{45} + ( 8 - 5 \zeta_{6} ) q^{49} + ( -4 + 2 \zeta_{6} ) q^{51} + ( -9 + 9 \zeta_{6} ) q^{53} + 9 q^{55} -2 q^{57} + ( -3 + 3 \zeta_{6} ) q^{59} + ( -8 + 4 \zeta_{6} ) q^{61} + ( 1 + 2 \zeta_{6} ) q^{63} + 12 \zeta_{6} q^{65} + ( 4 - 8 \zeta_{6} ) q^{69} + ( 4 - 8 \zeta_{6} ) q^{71} + ( 4 + 4 \zeta_{6} ) q^{73} -2 \zeta_{6} q^{75} + ( 12 + 3 \zeta_{6} ) q^{77} + ( 2 - \zeta_{6} ) q^{79} + ( -1 + \zeta_{6} ) q^{81} + 15 q^{83} -6 q^{85} + ( 9 - 9 \zeta_{6} ) q^{87} + ( -12 + 6 \zeta_{6} ) q^{89} + ( -4 + 20 \zeta_{6} ) q^{91} + \zeta_{6} q^{93} + ( -2 - 2 \zeta_{6} ) q^{95} + ( 5 - 10 \zeta_{6} ) q^{97} + ( -3 + 6 \zeta_{6} ) q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - q^{3} - 3q^{5} - 5q^{7} - q^{9} + O(q^{10}) \) \( 2q - q^{3} - 3q^{5} - 5q^{7} - q^{9} - 9q^{11} + 6q^{17} + 2q^{19} + q^{21} - 12q^{23} - 2q^{25} + 2q^{27} - 18q^{29} + q^{31} + 9q^{33} + 6q^{35} + 2q^{37} + 12q^{39} + 3q^{45} + 11q^{49} - 6q^{51} - 9q^{53} + 18q^{55} - 4q^{57} - 3q^{59} - 12q^{61} + 4q^{63} + 12q^{65} + 12q^{73} - 2q^{75} + 27q^{77} + 3q^{79} - q^{81} + 30q^{83} - 12q^{85} + 9q^{87} - 18q^{89} + 12q^{91} + q^{93} - 6q^{95} + O(q^{100}) \)

Character Values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/336\mathbb{Z}\right)^\times\).

\(n\) \(85\) \(113\) \(127\) \(241\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(\zeta_{6}\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
31.1
0.500000 + 0.866025i
0.500000 0.866025i
0 −0.500000 + 0.866025i 0 −1.50000 + 0.866025i 0 −2.50000 + 0.866025i 0 −0.500000 0.866025i 0
271.1 0 −0.500000 0.866025i 0 −1.50000 0.866025i 0 −2.50000 0.866025i 0 −0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char. orbit Parity Mult. Self Twist Proved
1.a Even 1 trivial yes
28.f Even 1 yes

Hecke kernels

This newform can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(336, [\chi])\):

\( T_{5}^{2} + 3 T_{5} + 3 \)
\( T_{11}^{2} + 9 T_{11} + 27 \)