Properties

Label 1280.3.h.m
Level $1280$
Weight $3$
Character orbit 1280.h
Analytic conductor $34.877$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1280,3,Mod(1279,1280)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1280, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1280.1279");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1280 = 2^{8} \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1280.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: \(34.8774738381\)
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: \( x^{16} - 9x^{12} + 41x^{8} - 144x^{4} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{42} \)
Twist minimal: no (minimal twist has level 40)
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.

\(f(q)\) \(=\) \( q - \beta_{4} q^{3} - \beta_{10} q^{5} - \beta_{9} q^{7} + ( - \beta_{3} + 5) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{4} q^{3} - \beta_{10} q^{5} - \beta_{9} q^{7} + ( - \beta_{3} + 5) q^{9} - \beta_1 q^{11} - \beta_{6} q^{13} + (\beta_{11} - \beta_{9} + 2 \beta_{2}) q^{15} + \beta_{7} q^{17} + (3 \beta_{14} - 2 \beta_1) q^{19} - \beta_{15} q^{21} + ( - \beta_{9} + \beta_{2}) q^{23} + (\beta_{13} + \beta_{7} + 2 \beta_{3} + 5) q^{25} + ( - \beta_{12} - 2 \beta_{4}) q^{27} + ( - \beta_{15} - \beta_{10} + \beta_{8}) q^{29} + ( - \beta_{11} - \beta_{5}) q^{31} - \beta_{7} q^{33} + ( - 4 \beta_{14} - \beta_{12} + \cdots - \beta_1) q^{35}+ \cdots + (\beta_{14} + 4 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 80 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 80 q^{9} + 80 q^{25} - 384 q^{41} + 16 q^{49} - 336 q^{81} - 224 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 9x^{12} + 41x^{8} - 144x^{4} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{14} - 25\nu^{10} + 121\nu^{6} - 160\nu^{2} ) / 96 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -3\nu^{15} + 2\nu^{13} + 19\nu^{11} - 18\nu^{9} - 51\nu^{7} + 146\nu^{5} + 40\nu^{3} - 480\nu ) / 96 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{12} - 9\nu^{8} + 25\nu^{4} - 72 ) / 6 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 5\nu^{15} - 5\nu^{13} - 25\nu^{11} + 13\nu^{9} + 89\nu^{7} - 77\nu^{5} - 316\nu^{3} + 208\nu ) / 96 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -4\nu^{8} + 36\nu^{4} - 82 ) / 3 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -3\nu^{15} - 2\nu^{13} + 19\nu^{11} + 18\nu^{9} - 51\nu^{7} - 146\nu^{5} + 40\nu^{3} + 480\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -3\nu^{15} - 10\nu^{13} + 35\nu^{11} + 90\nu^{9} - 195\nu^{7} - 346\nu^{5} + 440\nu^{3} + 480\nu ) / 96 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 4 \nu^{15} + 7 \nu^{14} - 18 \nu^{13} + 12 \nu^{11} - 47 \nu^{10} + 98 \nu^{9} - 76 \nu^{7} + \cdots + 1184 \nu ) / 192 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 5\nu^{15} - 34\nu^{13} - 5\nu^{11} + 178\nu^{9} + 101\nu^{7} - 562\nu^{5} - 296\nu^{3} + 1888\nu ) / 192 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 4 \nu^{15} - 7 \nu^{14} - 18 \nu^{13} + 12 \nu^{11} + 47 \nu^{10} + 98 \nu^{9} - 76 \nu^{7} + \cdots + 1184 \nu ) / 192 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( \nu^{12} - 5\nu^{8} + 21\nu^{4} - 62 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 8\nu^{15} - 15\nu^{13} - 60\nu^{11} + 103\nu^{9} + 284\nu^{7} - 423\nu^{5} - 756\nu^{3} + 688\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( -5\nu^{15} - 5\nu^{13} + 25\nu^{11} + 13\nu^{9} - 89\nu^{7} - 77\nu^{5} + 316\nu^{3} + 208\nu ) / 24 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 19\nu^{14} - 91\nu^{10} + 379\nu^{6} - 1120\nu^{2} ) / 96 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( -19\nu^{14} + 155\nu^{10} - 571\nu^{6} + 2720\nu^{2} ) / 96 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{13} - \beta_{12} + 2\beta_{10} + 2\beta_{9} + 2\beta_{8} - 2\beta_{7} + \beta_{6} - 2\beta_{4} - 3\beta_{2} ) / 32 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{15} + \beta_{14} - 2\beta_{10} + 2\beta_{8} + 5\beta_1 ) / 32 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{13} - 2\beta_{10} + 2\beta_{9} - 2\beta_{8} - 2\beta_{6} - 4\beta_{4} - 5\beta_{2} ) / 16 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{11} + 3\beta_{5} - 6\beta_{3} + 72 ) / 32 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 5 \beta_{13} - 3 \beta_{12} + 10 \beta_{10} + 10 \beta_{9} + 10 \beta_{8} - 6 \beta_{7} + \cdots + 5 \beta_{2} ) / 32 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2\beta_{15} + 5\beta_{14} + 10\beta_{10} - 10\beta_{8} + 13\beta_1 ) / 16 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 7 \beta_{13} + 5 \beta_{12} - 26 \beta_{10} + 26 \beta_{9} - 26 \beta_{8} - 10 \beta_{7} + \cdots - 15 \beta_{2} ) / 32 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 9\beta_{11} + 3\beta_{5} - 54\beta_{3} - 8 ) / 32 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 13 \beta_{13} + 2 \beta_{12} + 14 \beta_{10} + 14 \beta_{9} + 14 \beta_{8} + 4 \beta_{7} + \cdots + 9 \beta_{2} ) / 16 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 10\beta_{15} + 53\beta_{14} + 110\beta_{10} - 110\beta_{8} - 47\beta_1 ) / 32 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 13 \beta_{13} - 3 \beta_{12} - 134 \beta_{10} + 134 \beta_{9} - 134 \beta_{8} + 6 \beta_{7} + \cdots + 19 \beta_{2} ) / 32 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 7\beta_{11} - 6\beta_{5} - 18\beta_{3} + 54 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 109 \beta_{13} + 15 \beta_{12} + 2 \beta_{10} + 2 \beta_{9} + 2 \beta_{8} + 30 \beta_{7} + \cdots - 155 \beta_{2} ) / 32 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 86\beta_{15} + 275\beta_{14} + 10\beta_{10} - 10\beta_{8} - 449\beta_1 ) / 32 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 5 \beta_{13} - 52 \beta_{12} - 230 \beta_{10} + 230 \beta_{9} - 230 \beta_{8} + 104 \beta_{7} + \cdots - 135 \beta_{2} ) / 16 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1280\mathbb{Z}\right)^\times\).

\(n\) \(257\) \(261\) \(511\)
\(\chi(n)\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1279.1
−1.41260 0.0676000i
−1.41260 + 0.0676000i
−0.0676000 + 1.41260i
−0.0676000 1.41260i
0.493908 1.32516i
0.493908 + 1.32516i
1.32516 + 0.493908i
1.32516 0.493908i
−0.493908 1.32516i
−0.493908 + 1.32516i
−1.32516 + 0.493908i
−1.32516 0.493908i
1.41260 0.0676000i
1.41260 + 0.0676000i
0.0676000 + 1.41260i
0.0676000 1.41260i
0 −4.79002 0 −2.46084 4.35250i 0 7.67752 0 13.9443 0
1279.2 0 −4.79002 0 −2.46084 + 4.35250i 0 7.67752 0 13.9443 0
1279.3 0 −4.79002 0 2.46084 4.35250i 0 −7.67752 0 13.9443 0
1279.4 0 −4.79002 0 2.46084 + 4.35250i 0 −7.67752 0 13.9443 0
1279.5 0 −2.24849 0 −4.89329 1.02749i 0 −6.40747 0 −3.94427 0
1279.6 0 −2.24849 0 −4.89329 + 1.02749i 0 −6.40747 0 −3.94427 0
1279.7 0 −2.24849 0 4.89329 1.02749i 0 6.40747 0 −3.94427 0
1279.8 0 −2.24849 0 4.89329 + 1.02749i 0 6.40747 0 −3.94427 0
1279.9 0 2.24849 0 −4.89329 1.02749i 0 6.40747 0 −3.94427 0
1279.10 0 2.24849 0 −4.89329 + 1.02749i 0 6.40747 0 −3.94427 0
1279.11 0 2.24849 0 4.89329 1.02749i 0 −6.40747 0 −3.94427 0
1279.12 0 2.24849 0 4.89329 + 1.02749i 0 −6.40747 0 −3.94427 0
1279.13 0 4.79002 0 −2.46084 4.35250i 0 −7.67752 0 13.9443 0
1279.14 0 4.79002 0 −2.46084 + 4.35250i 0 −7.67752 0 13.9443 0
1279.15 0 4.79002 0 2.46084 4.35250i 0 7.67752 0 13.9443 0
1279.16 0 4.79002 0 2.46084 + 4.35250i 0 7.67752 0 13.9443 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1279.16
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
8.b even 2 1 inner
8.d odd 2 1 inner
20.d odd 2 1 inner
40.e odd 2 1 inner
40.f even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1280.3.h.m 16
4.b odd 2 1 inner 1280.3.h.m 16
5.b even 2 1 inner 1280.3.h.m 16
8.b even 2 1 inner 1280.3.h.m 16
8.d odd 2 1 inner 1280.3.h.m 16
16.e even 4 1 40.3.e.c 8
16.e even 4 1 160.3.e.c 8
16.f odd 4 1 40.3.e.c 8
16.f odd 4 1 160.3.e.c 8
20.d odd 2 1 inner 1280.3.h.m 16
40.e odd 2 1 inner 1280.3.h.m 16
40.f even 2 1 inner 1280.3.h.m 16
48.i odd 4 1 360.3.p.g 8
48.i odd 4 1 1440.3.p.g 8
48.k even 4 1 360.3.p.g 8
48.k even 4 1 1440.3.p.g 8
80.i odd 4 1 200.3.g.h 8
80.i odd 4 1 800.3.g.h 8
80.j even 4 1 200.3.g.h 8
80.j even 4 1 800.3.g.h 8
80.k odd 4 1 40.3.e.c 8
80.k odd 4 1 160.3.e.c 8
80.q even 4 1 40.3.e.c 8
80.q even 4 1 160.3.e.c 8
80.s even 4 1 200.3.g.h 8
80.s even 4 1 800.3.g.h 8
80.t odd 4 1 200.3.g.h 8
80.t odd 4 1 800.3.g.h 8
240.t even 4 1 360.3.p.g 8
240.t even 4 1 1440.3.p.g 8
240.bm odd 4 1 360.3.p.g 8
240.bm odd 4 1 1440.3.p.g 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
40.3.e.c 8 16.e even 4 1
40.3.e.c 8 16.f odd 4 1
40.3.e.c 8 80.k odd 4 1
40.3.e.c 8 80.q even 4 1
160.3.e.c 8 16.e even 4 1
160.3.e.c 8 16.f odd 4 1
160.3.e.c 8 80.k odd 4 1
160.3.e.c 8 80.q even 4 1
200.3.g.h 8 80.i odd 4 1
200.3.g.h 8 80.j even 4 1
200.3.g.h 8 80.s even 4 1
200.3.g.h 8 80.t odd 4 1
360.3.p.g 8 48.i odd 4 1
360.3.p.g 8 48.k even 4 1
360.3.p.g 8 240.t even 4 1
360.3.p.g 8 240.bm odd 4 1
800.3.g.h 8 80.i odd 4 1
800.3.g.h 8 80.j even 4 1
800.3.g.h 8 80.s even 4 1
800.3.g.h 8 80.t odd 4 1
1280.3.h.m 16 1.a even 1 1 trivial
1280.3.h.m 16 4.b odd 2 1 inner
1280.3.h.m 16 5.b even 2 1 inner
1280.3.h.m 16 8.b even 2 1 inner
1280.3.h.m 16 8.d odd 2 1 inner
1280.3.h.m 16 20.d odd 2 1 inner
1280.3.h.m 16 40.e odd 2 1 inner
1280.3.h.m 16 40.f even 2 1 inner
1440.3.p.g 8 48.i odd 4 1
1440.3.p.g 8 48.k even 4 1
1440.3.p.g 8 240.t even 4 1
1440.3.p.g 8 240.bm odd 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1280, [\chi])\):

\( T_{3}^{4} - 28T_{3}^{2} + 116 \) Copy content Toggle raw display
\( T_{7}^{4} - 100T_{7}^{2} + 2420 \) Copy content Toggle raw display
\( T_{29}^{4} - 1760T_{29}^{2} + 37120 \) Copy content Toggle raw display
\( T_{61}^{4} - 1080T_{61}^{2} + 187920 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} - 28 T^{2} + 116)^{4} \) Copy content Toggle raw display
$5$ \( (T^{8} - 20 T^{6} + \cdots + 390625)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} - 100 T^{2} + 2420)^{4} \) Copy content Toggle raw display
$11$ \( (T^{4} + 72 T^{2} + 16)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 320 T^{2} + 5120)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} + 368 T^{2} + 1856)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} + 1032 T^{2} + 234256)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} - 100 T^{2} + 500)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} - 1760 T^{2} + 37120)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} + 2400 T^{2} + 928000)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 3280 T^{2} + 1613120)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 48 T + 496)^{8} \) Copy content Toggle raw display
$43$ \( (T^{4} - 1372 T^{2} + 111476)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} - 5860 T^{2} + 444020)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} + 5760 T^{2} + 6635520)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} + 6408 T^{2} + 2676496)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} - 1080 T^{2} + 187920)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} - 12988 T^{2} + 41620916)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 12000 T^{2} + 35672320)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 7408 T^{2} + 3119936)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 22880 T^{2} + 129214720)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} - 1628 T^{2} + 116)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 28 T - 4924)^{8} \) Copy content Toggle raw display
$97$ \( (T^{4} + 44912 T^{2} + 344772416)^{4} \) Copy content Toggle raw display
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