Properties

Label 392.4.i.b
Level $392$
Weight $4$
Character orbit 392.i
Analytic conductor $23.129$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 392 = 2^{3} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 392.i (of order \(3\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(23.1287487223\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Defining polynomial: \(x^{2} - x + 1\)
Coefficient ring: \(\Z[a_1, \ldots, a_{9}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 8)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( -4 + 4 \zeta_{6} ) q^{3} -2 \zeta_{6} q^{5} + 11 \zeta_{6} q^{9} +O(q^{10})\) \( q + ( -4 + 4 \zeta_{6} ) q^{3} -2 \zeta_{6} q^{5} + 11 \zeta_{6} q^{9} + ( 44 - 44 \zeta_{6} ) q^{11} -22 q^{13} + 8 q^{15} + ( 50 - 50 \zeta_{6} ) q^{17} + 44 \zeta_{6} q^{19} + 56 \zeta_{6} q^{23} + ( 121 - 121 \zeta_{6} ) q^{25} -152 q^{27} + 198 q^{29} + ( -160 + 160 \zeta_{6} ) q^{31} + 176 \zeta_{6} q^{33} + 162 \zeta_{6} q^{37} + ( 88 - 88 \zeta_{6} ) q^{39} + 198 q^{41} + 52 q^{43} + ( 22 - 22 \zeta_{6} ) q^{45} + 528 \zeta_{6} q^{47} + 200 \zeta_{6} q^{51} + ( 242 - 242 \zeta_{6} ) q^{53} -88 q^{55} -176 q^{57} + ( -668 + 668 \zeta_{6} ) q^{59} + 550 \zeta_{6} q^{61} + 44 \zeta_{6} q^{65} + ( -188 + 188 \zeta_{6} ) q^{67} -224 q^{69} + 728 q^{71} + ( 154 - 154 \zeta_{6} ) q^{73} + 484 \zeta_{6} q^{75} + 656 \zeta_{6} q^{79} + ( 311 - 311 \zeta_{6} ) q^{81} -236 q^{83} -100 q^{85} + ( -792 + 792 \zeta_{6} ) q^{87} + 714 \zeta_{6} q^{89} -640 \zeta_{6} q^{93} + ( 88 - 88 \zeta_{6} ) q^{95} + 478 q^{97} + 484 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - 4q^{3} - 2q^{5} + 11q^{9} + O(q^{10}) \) \( 2q - 4q^{3} - 2q^{5} + 11q^{9} + 44q^{11} - 44q^{13} + 16q^{15} + 50q^{17} + 44q^{19} + 56q^{23} + 121q^{25} - 304q^{27} + 396q^{29} - 160q^{31} + 176q^{33} + 162q^{37} + 88q^{39} + 396q^{41} + 104q^{43} + 22q^{45} + 528q^{47} + 200q^{51} + 242q^{53} - 176q^{55} - 352q^{57} - 668q^{59} + 550q^{61} + 44q^{65} - 188q^{67} - 448q^{69} + 1456q^{71} + 154q^{73} + 484q^{75} + 656q^{79} + 311q^{81} - 472q^{83} - 200q^{85} - 792q^{87} + 714q^{89} - 640q^{93} + 88q^{95} + 956q^{97} + 968q^{99} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/392\mathbb{Z}\right)^\times\).

\(n\) \(197\) \(295\) \(297\)
\(\chi(n)\) \(1\) \(1\) \(-\zeta_{6}\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
177.1
0.500000 0.866025i
0.500000 + 0.866025i
0 −2.00000 3.46410i 0 −1.00000 + 1.73205i 0 0 0 5.50000 9.52628i 0
361.1 0 −2.00000 + 3.46410i 0 −1.00000 1.73205i 0 0 0 5.50000 + 9.52628i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 392.4.i.b 2
7.b odd 2 1 392.4.i.g 2
7.c even 3 1 392.4.a.e 1
7.c even 3 1 inner 392.4.i.b 2
7.d odd 6 1 8.4.a.a 1
7.d odd 6 1 392.4.i.g 2
21.g even 6 1 72.4.a.c 1
28.f even 6 1 16.4.a.a 1
28.g odd 6 1 784.4.a.e 1
35.i odd 6 1 200.4.a.g 1
35.k even 12 2 200.4.c.e 2
56.j odd 6 1 64.4.a.d 1
56.m even 6 1 64.4.a.b 1
63.i even 6 1 648.4.i.e 2
63.k odd 6 1 648.4.i.h 2
63.s even 6 1 648.4.i.e 2
63.t odd 6 1 648.4.i.h 2
77.i even 6 1 968.4.a.a 1
84.j odd 6 1 144.4.a.e 1
91.s odd 6 1 1352.4.a.a 1
105.p even 6 1 1800.4.a.d 1
105.w odd 12 2 1800.4.f.u 2
112.v even 12 2 256.4.b.g 2
112.x odd 12 2 256.4.b.a 2
119.h odd 6 1 2312.4.a.a 1
140.s even 6 1 400.4.a.g 1
140.x odd 12 2 400.4.c.i 2
168.ba even 6 1 576.4.a.k 1
168.be odd 6 1 576.4.a.j 1
280.ba even 6 1 1600.4.a.bm 1
280.bk odd 6 1 1600.4.a.o 1
308.m odd 6 1 1936.4.a.l 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
8.4.a.a 1 7.d odd 6 1
16.4.a.a 1 28.f even 6 1
64.4.a.b 1 56.m even 6 1
64.4.a.d 1 56.j odd 6 1
72.4.a.c 1 21.g even 6 1
144.4.a.e 1 84.j odd 6 1
200.4.a.g 1 35.i odd 6 1
200.4.c.e 2 35.k even 12 2
256.4.b.a 2 112.x odd 12 2
256.4.b.g 2 112.v even 12 2
392.4.a.e 1 7.c even 3 1
392.4.i.b 2 1.a even 1 1 trivial
392.4.i.b 2 7.c even 3 1 inner
392.4.i.g 2 7.b odd 2 1
392.4.i.g 2 7.d odd 6 1
400.4.a.g 1 140.s even 6 1
400.4.c.i 2 140.x odd 12 2
576.4.a.j 1 168.be odd 6 1
576.4.a.k 1 168.ba even 6 1
648.4.i.e 2 63.i even 6 1
648.4.i.e 2 63.s even 6 1
648.4.i.h 2 63.k odd 6 1
648.4.i.h 2 63.t odd 6 1
784.4.a.e 1 28.g odd 6 1
968.4.a.a 1 77.i even 6 1
1352.4.a.a 1 91.s odd 6 1
1600.4.a.o 1 280.bk odd 6 1
1600.4.a.bm 1 280.ba even 6 1
1800.4.a.d 1 105.p even 6 1
1800.4.f.u 2 105.w odd 12 2
1936.4.a.l 1 308.m odd 6 1
2312.4.a.a 1 119.h odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(392, [\chi])\):

\( T_{3}^{2} + 4 T_{3} + 16 \)
\( T_{5}^{2} + 2 T_{5} + 4 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ 1
$3$ \( 1 + 4 T - 11 T^{2} + 108 T^{3} + 729 T^{4} \)
$5$ \( 1 + 2 T - 121 T^{2} + 250 T^{3} + 15625 T^{4} \)
$7$ 1
$11$ \( 1 - 44 T + 605 T^{2} - 58564 T^{3} + 1771561 T^{4} \)
$13$ \( ( 1 + 22 T + 2197 T^{2} )^{2} \)
$17$ \( 1 - 50 T - 2413 T^{2} - 245650 T^{3} + 24137569 T^{4} \)
$19$ \( 1 - 44 T - 4923 T^{2} - 301796 T^{3} + 47045881 T^{4} \)
$23$ \( 1 - 56 T - 9031 T^{2} - 681352 T^{3} + 148035889 T^{4} \)
$29$ \( ( 1 - 198 T + 24389 T^{2} )^{2} \)
$31$ \( 1 + 160 T - 4191 T^{2} + 4766560 T^{3} + 887503681 T^{4} \)
$37$ \( 1 - 162 T - 24409 T^{2} - 8205786 T^{3} + 2565726409 T^{4} \)
$41$ \( ( 1 - 198 T + 68921 T^{2} )^{2} \)
$43$ \( ( 1 - 52 T + 79507 T^{2} )^{2} \)
$47$ \( 1 - 528 T + 174961 T^{2} - 54818544 T^{3} + 10779215329 T^{4} \)
$53$ \( 1 - 242 T - 90313 T^{2} - 36028234 T^{3} + 22164361129 T^{4} \)
$59$ \( 1 + 668 T + 240845 T^{2} + 137193172 T^{3} + 42180533641 T^{4} \)
$61$ \( 1 - 550 T + 75519 T^{2} - 124839550 T^{3} + 51520374361 T^{4} \)
$67$ \( 1 + 188 T - 265419 T^{2} + 56543444 T^{3} + 90458382169 T^{4} \)
$71$ \( ( 1 - 728 T + 357911 T^{2} )^{2} \)
$73$ \( 1 - 154 T - 365301 T^{2} - 59908618 T^{3} + 151334226289 T^{4} \)
$79$ \( 1 - 656 T - 62703 T^{2} - 323433584 T^{3} + 243087455521 T^{4} \)
$83$ \( ( 1 + 236 T + 571787 T^{2} )^{2} \)
$89$ \( 1 - 714 T - 195173 T^{2} - 503347866 T^{3} + 496981290961 T^{4} \)
$97$ \( ( 1 - 478 T + 912673 T^{2} )^{2} \)
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