Properties

Label 320.9.h.f
Level $320$
Weight $9$
Character orbit 320.h
Analytic conductor $130.361$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [320,9,Mod(319,320)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(320, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1]))
 
N = Newforms(chi, 9, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("320.319");
 
S:= CuspForms(chi, 9);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 320 = 2^{6} \cdot 5 \)
Weight: \( k \) \(=\) \( 9 \)
Character orbit: \([\chi]\) \(=\) 320.h (of order \(2\), degree \(1\), 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: \(130.361155220\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 1394 x^{14} + 1332306 x^{12} - 657883370 x^{10} + 233333110300 x^{8} - 45644912663250 x^{6} + \cdots + 23\!\cdots\!00 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{99}\cdot 3^{9}\cdot 5^{10} \)
Twist minimal: no (minimal twist has level 80)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + (\beta_{3} - 37) q^{5} + ( - \beta_{6} - 4 \beta_1) q^{7} + (\beta_{5} + \beta_{3} + 2637) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{3} + (\beta_{3} - 37) q^{5} + ( - \beta_{6} - 4 \beta_1) q^{7} + (\beta_{5} + \beta_{3} + 2637) q^{9} - \beta_{4} q^{11} + ( - \beta_{15} - 2 \beta_{3} - 1) q^{13} + ( - \beta_{14} - 6 \beta_{6} + \cdots - 12 \beta_1) q^{15}+ \cdots + ( - 753 \beta_{14} + \cdots + 2673 \beta_{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 600 q^{5} + 42176 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 600 q^{5} + 42176 q^{9} - 619344 q^{21} + 1137040 q^{25} + 3497568 q^{29} - 2169168 q^{41} + 1930760 q^{45} + 26174912 q^{49} - 22772656 q^{61} + 12524160 q^{65} - 8461392 q^{69} - 224999456 q^{81} + 18124800 q^{85} - 94250976 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 1394 x^{14} + 1332306 x^{12} - 657883370 x^{10} + 233333110300 x^{8} - 45644912663250 x^{6} + \cdots + 23\!\cdots\!00 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 79\!\cdots\!89 \nu^{15} + \cdots - 15\!\cdots\!00 \nu ) / 73\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 22\!\cdots\!96 \nu^{14} + \cdots + 59\!\cdots\!00 ) / 65\!\cdots\!25 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 16\!\cdots\!82 \nu^{15} + \cdots + 55\!\cdots\!50 ) / 97\!\cdots\!25 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 39\!\cdots\!16 \nu^{14} + \cdots + 87\!\cdots\!00 ) / 50\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 48\!\cdots\!46 \nu^{15} + \cdots + 11\!\cdots\!00 ) / 29\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 47\!\cdots\!23 \nu^{15} + \cdots + 21\!\cdots\!00 \nu ) / 73\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 32\!\cdots\!64 \nu^{15} + \cdots + 74\!\cdots\!50 ) / 32\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 48\!\cdots\!46 \nu^{15} + \cdots - 60\!\cdots\!50 ) / 29\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 65\!\cdots\!36 \nu^{14} + \cdots + 19\!\cdots\!00 ) / 35\!\cdots\!25 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 72\!\cdots\!46 \nu^{15} + \cdots + 52\!\cdots\!00 ) / 66\!\cdots\!25 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 10\!\cdots\!94 \nu^{15} + \cdots + 46\!\cdots\!50 ) / 81\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 13\!\cdots\!06 \nu^{15} + \cdots - 41\!\cdots\!50 ) / 73\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 47\!\cdots\!59 \nu^{15} + \cdots - 14\!\cdots\!00 ) / 14\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 47\!\cdots\!59 \nu^{15} + \cdots - 64\!\cdots\!00 ) / 14\!\cdots\!75 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 47\!\cdots\!56 \nu^{15} + \cdots - 92\!\cdots\!75 ) / 81\!\cdots\!75 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( - 6 \beta_{14} + 6 \beta_{13} - 15 \beta_{12} + 40 \beta_{11} - 15 \beta_{10} + 3 \beta_{9} + \cdots + 114 ) / 153600 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( - 308 \beta_{14} + 308 \beta_{13} + 104 \beta_{9} + 80 \beta_{8} + 256 \beta_{7} - 2320 \beta_{5} + \cdots + 35684768 ) / 204800 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -600\beta_{15} - 8805\beta_{12} + 9380\beta_{11} - 46359\beta_{7} + 166051\beta_{3} + 92118 ) / 38400 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 299492 \beta_{14} + 299492 \beta_{13} + 69896 \beta_{9} - 59120 \beta_{8} - 847744 \beta_{7} + \cdots - 18467448032 ) / 204800 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 1192800 \beta_{15} + 4950906 \beta_{14} - 3758106 \beta_{13} - 11758515 \beta_{12} + \cdots + 166116714 ) / 153600 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -608045\beta_{8} - 13775854\beta_{7} + 28892755\beta_{5} - 53154324\beta_{3} - 177848346362 ) / 1600 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 1089937200 \beta_{15} + 3836539194 \beta_{14} - 2746601994 \beta_{13} + 7603900485 \beta_{12} + \cdots - 131668087686 ) / 153600 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 182877978092 \beta_{14} - 182877978092 \beta_{13} - 34713140696 \beta_{9} - 25879283120 \beta_{8} + \cdots - 75\!\cdots\!32 ) / 204800 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 226726745700 \beta_{15} + 1262339032785 \beta_{12} - 1217751706810 \beta_{11} + \cdots - 24838533758166 ) / 19200 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 135191766887108 \beta_{14} - 135191766887108 \beta_{13} - 25144311256904 \beta_{9} + \cdots + 51\!\cdots\!68 ) / 204800 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 708079544947200 \beta_{15} + \cdots - 73\!\cdots\!86 ) / 153600 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 383216752502785 \beta_{8} + \cdots + 11\!\cdots\!26 ) / 3200 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 53\!\cdots\!00 \beta_{15} + \cdots + 53\!\cdots\!14 ) / 153600 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 71\!\cdots\!08 \beta_{14} + \cdots + 25\!\cdots\!68 ) / 204800 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 19\!\cdots\!00 \beta_{15} + \cdots + 19\!\cdots\!18 ) / 38400 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/320\mathbb{Z}\right)^\times\).

\(n\) \(191\) \(257\) \(261\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
319.1
−17.5505 + 10.1328i
−17.5505 10.1328i
8.60649 4.96896i
8.60649 + 4.96896i
11.1856 + 6.45800i
11.1856 6.45800i
−23.2011 13.3951i
−23.2011 + 13.3951i
23.2011 13.3951i
23.2011 + 13.3951i
−11.1856 + 6.45800i
−11.1856 6.45800i
−8.60649 4.96896i
−8.60649 + 4.96896i
17.5505 + 10.1328i
17.5505 10.1328i
0 −125.551 0 −388.104 489.899i 0 4128.49 0 9202.10 0
319.2 0 −125.551 0 −388.104 + 489.899i 0 4128.49 0 9202.10 0
319.3 0 −120.512 0 622.222 58.8612i 0 −1534.67 0 7962.26 0
319.4 0 −120.512 0 622.222 + 58.8612i 0 −1534.67 0 7962.26 0
319.5 0 −77.4652 0 −586.915 214.840i 0 −2766.32 0 −560.136 0
319.6 0 −77.4652 0 −586.915 + 214.840i 0 −2766.32 0 −560.136 0
319.7 0 −22.3781 0 202.796 591.184i 0 1597.12 0 −6060.22 0
319.8 0 −22.3781 0 202.796 + 591.184i 0 1597.12 0 −6060.22 0
319.9 0 22.3781 0 202.796 591.184i 0 −1597.12 0 −6060.22 0
319.10 0 22.3781 0 202.796 + 591.184i 0 −1597.12 0 −6060.22 0
319.11 0 77.4652 0 −586.915 214.840i 0 2766.32 0 −560.136 0
319.12 0 77.4652 0 −586.915 + 214.840i 0 2766.32 0 −560.136 0
319.13 0 120.512 0 622.222 58.8612i 0 1534.67 0 7962.26 0
319.14 0 120.512 0 622.222 + 58.8612i 0 1534.67 0 7962.26 0
319.15 0 125.551 0 −388.104 489.899i 0 −4128.49 0 9202.10 0
319.16 0 125.551 0 −388.104 + 489.899i 0 −4128.49 0 9202.10 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 319.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
5.b even 2 1 inner
20.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 320.9.h.f 16
4.b odd 2 1 inner 320.9.h.f 16
5.b even 2 1 inner 320.9.h.f 16
8.b even 2 1 80.9.h.d 16
8.d odd 2 1 80.9.h.d 16
20.d odd 2 1 inner 320.9.h.f 16
40.e odd 2 1 80.9.h.d 16
40.f even 2 1 80.9.h.d 16
40.i odd 4 2 400.9.b.m 16
40.k even 4 2 400.9.b.m 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
80.9.h.d 16 8.b even 2 1
80.9.h.d 16 8.d odd 2 1
80.9.h.d 16 40.e odd 2 1
80.9.h.d 16 40.f even 2 1
320.9.h.f 16 1.a even 1 1 trivial
320.9.h.f 16 4.b odd 2 1 inner
320.9.h.f 16 5.b even 2 1 inner
320.9.h.f 16 20.d odd 2 1 inner
400.9.b.m 16 40.i odd 4 2
400.9.b.m 16 40.k even 4 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} - 36788T_{3}^{6} + 428847744T_{3}^{4} - 1579444964352T_{3}^{2} + 687963618902016 \) acting on \(S_{9}^{\mathrm{new}}(320, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + \cdots + 687963618902016)^{2} \) Copy content Toggle raw display
$5$ \( (T^{8} + \cdots + 23\!\cdots\!25)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} + \cdots + 78\!\cdots\!36)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} + \cdots + 56\!\cdots\!56)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + \cdots + 45\!\cdots\!76)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + \cdots + 64\!\cdots\!96)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + \cdots + 15\!\cdots\!16)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + \cdots + 65\!\cdots\!56)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + \cdots + 16\!\cdots\!56)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} + \cdots + 21\!\cdots\!56)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + \cdots + 15\!\cdots\!00)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + \cdots - 14\!\cdots\!44)^{4} \) Copy content Toggle raw display
$43$ \( (T^{8} + \cdots + 37\!\cdots\!76)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 18\!\cdots\!96)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + \cdots + 58\!\cdots\!56)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + \cdots + 26\!\cdots\!36)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + \cdots + 44\!\cdots\!76)^{4} \) Copy content Toggle raw display
$67$ \( (T^{8} + \cdots + 15\!\cdots\!56)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + \cdots + 35\!\cdots\!56)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + \cdots + 32\!\cdots\!56)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + \cdots + 16\!\cdots\!00)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + \cdots + 22\!\cdots\!36)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + \cdots + 22\!\cdots\!56)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} + \cdots + 68\!\cdots\!56)^{2} \) Copy content Toggle raw display
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