Properties

Label 1680.2.di.d
Level $1680$
Weight $2$
Character orbit 1680.di
Analytic conductor $13.415$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1680,2,Mod(289,1680)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1680, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 3, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1680.289");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1680 = 2^{4} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1680.di (of order \(6\), degree \(2\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(13.4148675396\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 2 x^{15} + 2 x^{14} - 4 x^{13} - 14 x^{12} + 38 x^{11} - 40 x^{10} + 64 x^{9} + 291 x^{8} + \cdots + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 105)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{3} + ( - \beta_{14} - \beta_{13} + \beta_{12} + \cdots + 1) q^{5}+ \cdots + ( - \beta_{7} + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{3} + ( - \beta_{14} - \beta_{13} + \beta_{12} + \cdots + 1) q^{5}+ \cdots + (\beta_{13} - \beta_{12} - \beta_{2} + \cdots + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 2 q^{5} + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 2 q^{5} + 8 q^{9} + 4 q^{15} + 24 q^{19} - 4 q^{21} - 4 q^{25} + 24 q^{29} - 16 q^{31} + 10 q^{35} + 4 q^{39} + 16 q^{41} - 2 q^{45} - 40 q^{49} - 4 q^{51} - 8 q^{55} - 4 q^{59} + 16 q^{61} + 30 q^{65} + 40 q^{69} + 56 q^{71} - 8 q^{75} + 16 q^{79} - 8 q^{81} - 64 q^{85} + 16 q^{89} - 8 q^{91} + 22 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 2 x^{15} + 2 x^{14} - 4 x^{13} - 14 x^{12} + 38 x^{11} - 40 x^{10} + 64 x^{9} + 291 x^{8} + \cdots + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 38414168495 \nu^{15} + 46999484762 \nu^{14} - 56685616158 \nu^{13} + \cdots - 33746305280705 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 145306983361 \nu^{15} - 177522986678 \nu^{14} + 213949914242 \nu^{13} + \cdots + 31632456480199 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 760172030748 \nu^{15} - 826140524550 \nu^{14} + 311805690170 \nu^{13} - 1979665829518 \nu^{12} + \cdots - 575089767434 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 1159675947687 \nu^{15} + 2123382923210 \nu^{14} - 1790860341485 \nu^{13} + \cdots + 29672440598565 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 2241001108620 \nu^{15} + 2440547176294 \nu^{14} - 921260080696 \nu^{13} + \cdots + 1695440450074 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 4058097157982 \nu^{15} - 7568755097298 \nu^{14} + 7059730047127 \nu^{13} + \cdots - 16137847630635 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 2575730834 \nu^{15} + 4699915310 \nu^{14} - 4379029892 \nu^{13} + 9614611682 \nu^{12} + \cdots + 17015828908 ) / 7008735847 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 1063280569755 \nu^{15} - 2138087245431 \nu^{14} + 2140603616666 \nu^{13} + \cdots - 8602022998880 ) / 1633035452351 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 7502690467678 \nu^{15} - 13694199839130 \nu^{14} + 12758334474904 \nu^{13} + \cdots - 29172119880252 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 8183751109447 \nu^{15} + 14956739476040 \nu^{14} - 13922497684986 \nu^{13} + \cdots + 54263991142284 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 9494932205673 \nu^{15} + 17203785936492 \nu^{14} - 15830728042254 \nu^{13} + \cdots + 61766681609962 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 10583106332007 \nu^{15} - 18562866254784 \nu^{14} + 16212768119001 \nu^{13} + \cdots - 62361843284805 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 10663789073454 \nu^{15} - 18661163594876 \nu^{14} + 16331067749359 \nu^{13} + \cdots - 32056382963606 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 11015276267169 \nu^{15} - 18856066985592 \nu^{14} + 16454339422594 \nu^{13} + \cdots - 62916861144830 ) / 11431248166457 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 13399447651346 \nu^{15} - 23430444102746 \nu^{14} + 20519536606234 \nu^{13} + \cdots - 46488804269431 ) / 11431248166457 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} - \beta_{14} + \beta_{12} + \beta_{11} - \beta_{10} + \beta_{9} - \beta_{7} - \beta_{5} - \beta_{4} - \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( -\beta_{14} - \beta_{11} + 2\beta_{3} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 5\beta_{15} - 8\beta_{13} + 3\beta_{12} - 2\beta_{6} + 3\beta_{4} - 2\beta_{3} - 3\beta_{2} - 3\beta _1 + 3 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 5\beta_{10} + \beta_{9} - 8\beta_{7} + 5\beta _1 + 13 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 23 \beta_{14} + 11 \beta_{11} - 11 \beta_{10} + 23 \beta_{9} - 13 \beta_{7} - 23 \beta_{5} + \cdots + 23 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 7\beta_{15} - \beta_{13} - 23\beta_{12} + 28\beta_{6} - 22\beta_{4} + 28\beta_{3} - \beta_{2} + 1 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 103 \beta_{15} - 43 \beta_{14} - 148 \beta_{13} + 43 \beta_{12} - 43 \beta_{11} - 43 \beta_{10} + \cdots + 166 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( -10\beta_{14} + 94\beta_{10} + 40\beta_{9} - 10\beta_{8} - 157\beta_{7} - 40\beta_{2} + 40 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 459\beta_{15} - 479\beta_{12} - 168\beta_{6} + 171\beta_{4} - 168\beta_{3} - 459\beta_{2} + 171\beta _1 + 339 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 214 \beta_{15} + 469 \beta_{14} - 70 \beta_{13} - 469 \beta_{12} + 399 \beta_{11} - 70 \beta_{8} + \cdots + 70 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 681 \beta_{14} - 681 \beta_{11} - 681 \beta_{10} + 2047 \beta_{9} - 2868 \beta_{8} - 1389 \beta_{7} + \cdots + 2047 ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 424\beta_{13} - 424\beta_{12} - 683\beta_{2} - 1693\beta _1 - 4232 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 9149 \beta_{15} + 9997 \beta_{14} - 9997 \beta_{12} - 2701 \beta_{11} + 2701 \beta_{10} - 9149 \beta_{9} + \cdots - 3910 ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( 9573\beta_{14} + 7194\beta_{11} - 2379\beta_{8} + 5603\beta_{5} - 9050\beta_{3} \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 40993 \beta_{15} + 56392 \beta_{13} - 10641 \beta_{12} + 9630 \beta_{6} - 10641 \beta_{4} + \cdots - 36121 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1680\mathbb{Z}\right)^\times\).

\(n\) \(241\) \(337\) \(421\) \(1121\) \(1471\)
\(\chi(n)\) \(-1 + \beta_{7}\) \(-1\) \(1\) \(1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
0.526774 + 1.96595i
−0.0543258 0.202747i
−0.556918 2.07845i
−0.281555 1.05078i
1.05078 0.281555i
0.202747 0.0543258i
2.07845 0.556918i
−1.96595 + 0.526774i
0.526774 1.96595i
−0.0543258 + 0.202747i
−0.556918 + 2.07845i
−0.281555 + 1.05078i
1.05078 + 0.281555i
0.202747 + 0.0543258i
2.07845 + 0.556918i
−1.96595 0.526774i
0 −0.866025 + 0.500000i 0 −1.98074 1.03763i 0 −0.478401 + 2.60214i 0 0.500000 0.866025i 0
289.2 0 −0.866025 + 0.500000i 0 −1.33920 + 1.79069i 0 2.40898 + 1.09398i 0 0.500000 0.866025i 0
289.3 0 −0.866025 + 0.500000i 0 0.717839 2.11771i 0 1.11487 2.39939i 0 0.500000 0.866025i 0
289.4 0 −0.866025 + 0.500000i 0 2.23607 0.00136408i 0 −1.31340 2.29673i 0 0.500000 0.866025i 0
289.5 0 0.866025 0.500000i 0 −1.11685 1.93717i 0 1.31340 + 2.29673i 0 0.500000 0.866025i 0
289.6 0 0.866025 0.500000i 0 −0.881181 + 2.05512i 0 −2.40898 1.09398i 0 0.500000 0.866025i 0
289.7 0 0.866025 0.500000i 0 1.47507 1.68052i 0 −1.11487 + 2.39939i 0 0.500000 0.866025i 0
289.8 0 0.866025 0.500000i 0 1.88899 + 1.19655i 0 0.478401 2.60214i 0 0.500000 0.866025i 0
529.1 0 −0.866025 0.500000i 0 −1.98074 + 1.03763i 0 −0.478401 2.60214i 0 0.500000 + 0.866025i 0
529.2 0 −0.866025 0.500000i 0 −1.33920 1.79069i 0 2.40898 1.09398i 0 0.500000 + 0.866025i 0
529.3 0 −0.866025 0.500000i 0 0.717839 + 2.11771i 0 1.11487 + 2.39939i 0 0.500000 + 0.866025i 0
529.4 0 −0.866025 0.500000i 0 2.23607 + 0.00136408i 0 −1.31340 + 2.29673i 0 0.500000 + 0.866025i 0
529.5 0 0.866025 + 0.500000i 0 −1.11685 + 1.93717i 0 1.31340 2.29673i 0 0.500000 + 0.866025i 0
529.6 0 0.866025 + 0.500000i 0 −0.881181 2.05512i 0 −2.40898 + 1.09398i 0 0.500000 + 0.866025i 0
529.7 0 0.866025 + 0.500000i 0 1.47507 + 1.68052i 0 −1.11487 2.39939i 0 0.500000 + 0.866025i 0
529.8 0 0.866025 + 0.500000i 0 1.88899 1.19655i 0 0.478401 + 2.60214i 0 0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 289.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
7.c even 3 1 inner
35.j even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1680.2.di.d 16
4.b odd 2 1 105.2.q.a 16
5.b even 2 1 inner 1680.2.di.d 16
7.c even 3 1 inner 1680.2.di.d 16
12.b even 2 1 315.2.bf.b 16
20.d odd 2 1 105.2.q.a 16
20.e even 4 1 525.2.i.h 8
20.e even 4 1 525.2.i.k 8
28.d even 2 1 735.2.q.g 16
28.f even 6 1 735.2.d.e 8
28.f even 6 1 735.2.q.g 16
28.g odd 6 1 105.2.q.a 16
28.g odd 6 1 735.2.d.d 8
35.j even 6 1 inner 1680.2.di.d 16
60.h even 2 1 315.2.bf.b 16
84.j odd 6 1 2205.2.d.o 8
84.n even 6 1 315.2.bf.b 16
84.n even 6 1 2205.2.d.s 8
140.c even 2 1 735.2.q.g 16
140.p odd 6 1 105.2.q.a 16
140.p odd 6 1 735.2.d.d 8
140.s even 6 1 735.2.d.e 8
140.s even 6 1 735.2.q.g 16
140.w even 12 1 525.2.i.h 8
140.w even 12 1 525.2.i.k 8
140.w even 12 1 3675.2.a.bp 4
140.w even 12 1 3675.2.a.bz 4
140.x odd 12 1 3675.2.a.bn 4
140.x odd 12 1 3675.2.a.cb 4
420.ba even 6 1 315.2.bf.b 16
420.ba even 6 1 2205.2.d.s 8
420.be odd 6 1 2205.2.d.o 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
105.2.q.a 16 4.b odd 2 1
105.2.q.a 16 20.d odd 2 1
105.2.q.a 16 28.g odd 6 1
105.2.q.a 16 140.p odd 6 1
315.2.bf.b 16 12.b even 2 1
315.2.bf.b 16 60.h even 2 1
315.2.bf.b 16 84.n even 6 1
315.2.bf.b 16 420.ba even 6 1
525.2.i.h 8 20.e even 4 1
525.2.i.h 8 140.w even 12 1
525.2.i.k 8 20.e even 4 1
525.2.i.k 8 140.w even 12 1
735.2.d.d 8 28.g odd 6 1
735.2.d.d 8 140.p odd 6 1
735.2.d.e 8 28.f even 6 1
735.2.d.e 8 140.s even 6 1
735.2.q.g 16 28.d even 2 1
735.2.q.g 16 28.f even 6 1
735.2.q.g 16 140.c even 2 1
735.2.q.g 16 140.s even 6 1
1680.2.di.d 16 1.a even 1 1 trivial
1680.2.di.d 16 5.b even 2 1 inner
1680.2.di.d 16 7.c even 3 1 inner
1680.2.di.d 16 35.j even 6 1 inner
2205.2.d.o 8 84.j odd 6 1
2205.2.d.o 8 420.be odd 6 1
2205.2.d.s 8 84.n even 6 1
2205.2.d.s 8 420.ba even 6 1
3675.2.a.bn 4 140.x odd 12 1
3675.2.a.bp 4 140.w even 12 1
3675.2.a.bz 4 140.w even 12 1
3675.2.a.cb 4 140.x odd 12 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{11}^{8} + 18T_{11}^{6} + 28T_{11}^{5} + 294T_{11}^{4} + 252T_{11}^{3} + 736T_{11}^{2} - 420T_{11} + 900 \) acting on \(S_{2}^{\mathrm{new}}(1680, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} - T^{2} + 1)^{4} \) Copy content Toggle raw display
$5$ \( T^{16} - 2 T^{15} + \cdots + 390625 \) Copy content Toggle raw display
$7$ \( T^{16} + 20 T^{14} + \cdots + 5764801 \) Copy content Toggle raw display
$11$ \( (T^{8} + 18 T^{6} + \cdots + 900)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + 60 T^{6} + \cdots + 16129)^{2} \) Copy content Toggle raw display
$17$ \( T^{16} + \cdots + 322417936 \) Copy content Toggle raw display
$19$ \( (T^{8} - 12 T^{7} + \cdots + 81)^{2} \) Copy content Toggle raw display
$23$ \( T^{16} + \cdots + 5143987297296 \) Copy content Toggle raw display
$29$ \( (T^{4} - 6 T^{3} - 38 T^{2} + \cdots - 22)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} + 8 T^{7} + \cdots + 3721)^{2} \) Copy content Toggle raw display
$37$ \( T^{16} + \cdots + 676751377201 \) Copy content Toggle raw display
$41$ \( (T^{4} - 4 T^{3} - 50 T^{2} + \cdots - 10)^{4} \) Copy content Toggle raw display
$43$ \( (T^{8} + 128 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$47$ \( T^{16} + \cdots + 207360000 \) Copy content Toggle raw display
$53$ \( T^{16} - 160 T^{14} + \cdots + 84934656 \) Copy content Toggle raw display
$59$ \( (T^{8} + 2 T^{7} + \cdots + 100)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 8 T^{7} + \cdots + 250000)^{2} \) Copy content Toggle raw display
$67$ \( T^{16} + \cdots + 670801950625 \) Copy content Toggle raw display
$71$ \( (T^{4} - 14 T^{3} + \cdots - 3202)^{4} \) Copy content Toggle raw display
$73$ \( T^{16} + \cdots + 3722279521041 \) Copy content Toggle raw display
$79$ \( (T^{8} - 8 T^{7} + \cdots + 50140561)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 148 T^{6} + \cdots + 131044)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} - 8 T^{7} + \cdots + 285156)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 20 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
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