Properties

Label 968.2.o.b
Level $968$
Weight $2$
Character orbit 968.o
Analytic conductor $7.730$
Analytic rank $0$
Dimension $16$
Inner twists $16$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [968,2,Mod(245,968)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(968, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([0, 5, 8]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("968.245");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 968 = 2^{3} \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 968.o (of order \(10\), degree \(4\), 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: \(7.72951891566\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(4\) over \(\Q(\zeta_{10})\)
Coefficient field: \(\Q(\zeta_{60})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} + x^{14} - x^{10} - x^{8} - x^{6} + x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 5^{4} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{10}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{14} q^{2} + ( - \beta_{13} - \beta_{3} + \beta_{2} + \cdots + 1) q^{4}+ \cdots - 3 \beta_{3} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{14} q^{2} + ( - \beta_{13} - \beta_{3} + \beta_{2} + \cdots + 1) q^{4}+ \cdots + 5 \beta_{6} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 2 q^{4} - 12 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 2 q^{4} - 12 q^{9} + 12 q^{14} + 14 q^{16} + 30 q^{20} + 128 q^{23} + 40 q^{25} + 10 q^{26} + 24 q^{31} - 24 q^{34} + 6 q^{36} - 20 q^{38} - 16 q^{47} - 20 q^{49} + 144 q^{56} + 30 q^{58} - 22 q^{64} - 60 q^{70} + 8 q^{71} - 30 q^{80} - 36 q^{81} + 6 q^{82} - 20 q^{86} - 112 q^{89} + 16 q^{92} + 36 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{60}^{6} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{60}^{12} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -\zeta_{60}^{14} + \zeta_{60}^{4} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( -\zeta_{60}^{9} + \zeta_{60}^{3} + \zeta_{60} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \zeta_{60}^{15} - \zeta_{60}^{13} - \zeta_{60}^{11} + \zeta_{60}^{3} + \zeta_{60} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \zeta_{60}^{11} + \zeta_{60}^{9} - \zeta_{60}^{5} - \zeta_{60} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( -\zeta_{60}^{11} - \zeta_{60}^{7} + \zeta_{60}^{3} + \zeta_{60} \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( -\zeta_{60}^{15} - \zeta_{60}^{13} + \zeta_{60}^{11} - \zeta_{60} \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( -\zeta_{60}^{13} + \zeta_{60}^{7} + \zeta_{60}^{5} + \zeta_{60}^{3} - \zeta_{60} \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( \zeta_{60}^{14} + \zeta_{60}^{12} + \zeta_{60}^{10} - \zeta_{60}^{8} - \zeta_{60}^{2} \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( \zeta_{60}^{14} - 2\zeta_{60}^{10} + \zeta_{60}^{4} + \zeta_{60}^{2} + 1 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( -\zeta_{60}^{15} + \zeta_{60}^{11} + \zeta_{60}^{9} + \zeta_{60}^{5} - \zeta_{60} \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( 2\zeta_{60}^{14} - \zeta_{60}^{8} - \zeta_{60}^{6} + 2\zeta_{60}^{2} + 1 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( -2\zeta_{60}^{15} - \zeta_{60}^{13} + \zeta_{60}^{9} + \zeta_{60}^{7} + \zeta_{60}^{5} - \zeta_{60}^{3} - \zeta_{60} \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( -\zeta_{60}^{14} + \zeta_{60}^{10} + 2\zeta_{60}^{8} + \zeta_{60}^{6} + \zeta_{60}^{4} - 2\zeta_{60}^{2} - 2 \) Copy content Toggle raw display
\(\zeta_{60}\)\(=\) \( ( \beta_{14} + 2\beta_{12} - 3\beta_{9} - \beta_{8} - 2\beta_{7} + 3\beta_{5} + 3\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{2}\)\(=\) \( ( 2\beta_{13} - \beta_{11} - 2\beta_{10} + \beta_{3} + 2\beta_{2} + 2\beta _1 - 1 ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{3}\)\(=\) \( ( 2\beta_{9} - \beta_{8} + 2\beta_{7} + 2\beta_{6} - \beta_{5} + 2\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{4}\)\(=\) \( ( \beta_{15} + \beta_{13} + \beta_{11} + \beta_{10} + 3\beta_{3} - \beta_{2} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{5}\)\(=\) \( ( -\beta_{14} + 3\beta_{12} - \beta_{7} - 3\beta_{6} + \beta_{5} - \beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{6}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{60}^{7}\)\(=\) \( ( 2\beta_{14} - \beta_{12} + \beta_{9} - 3\beta_{8} - 2\beta_{7} + 2\beta_{6} + 3\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{8}\)\(=\) \( ( 2\beta_{15} + \beta_{13} - 2\beta_{10} - 2\beta_{3} + 2\beta_{2} - \beta _1 + 3 ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{9}\)\(=\) \( ( \beta_{14} + 2\beta_{12} - \beta_{9} - 2\beta_{8} + 2\beta_{6} + 2\beta_{5} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{10}\)\(=\) \( ( \beta_{15} + 2\beta_{13} - 2\beta_{11} + \beta_{3} + \beta _1 + 2 ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{11}\)\(=\) \( ( -\beta_{14} + 3\beta_{12} - 2\beta_{9} + \beta_{8} - 3\beta_{7} + 2\beta_{5} + 2\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{12}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\zeta_{60}^{13}\)\(=\) \( ( \beta_{9} - 3\beta_{8} + \beta_{7} + \beta_{6} - 3\beta_{5} + \beta_{4} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{14}\)\(=\) \( ( \beta_{15} + \beta_{13} + \beta_{11} + \beta_{10} - 2\beta_{3} - \beta_{2} ) / 5 \) Copy content Toggle raw display
\(\zeta_{60}^{15}\)\(=\) \( ( -2\beta_{14} + \beta_{12} - 2\beta_{7} - \beta_{6} + 2\beta_{5} - 2\beta_{4} ) / 5 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/968\mathbb{Z}\right)^\times\).

\(n\) \(485\) \(727\) \(849\)
\(\chi(n)\) \(-1\) \(1\) \(-1 + \beta_{1} - \beta_{2} + \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
245.1
−0.406737 0.913545i
−0.994522 0.104528i
0.994522 + 0.104528i
0.406737 + 0.913545i
−0.743145 + 0.669131i
−0.207912 0.978148i
0.207912 + 0.978148i
0.743145 0.669131i
−0.743145 0.669131i
−0.207912 + 0.978148i
0.207912 0.978148i
0.743145 + 0.669131i
−0.406737 + 0.913545i
−0.994522 + 0.104528i
0.994522 0.104528i
0.406737 0.913545i
−1.35779 0.395472i 0 1.68720 + 1.07394i 2.27648 3.13331i 0 −1.07047 + 3.29456i −1.86616 2.12543i −2.42705 + 1.76336i −4.33013 + 3.35410i
245.2 −0.0434654 + 1.41355i 0 −1.99622 0.122881i −2.27648 + 3.13331i 0 −1.07047 + 3.29456i 0.260464 2.81641i −2.42705 + 1.76336i −4.33013 3.35410i
245.3 0.0434654 1.41355i 0 −1.99622 0.122881i −2.27648 + 3.13331i 0 1.07047 3.29456i −0.260464 + 2.81641i −2.42705 + 1.76336i 4.33013 + 3.35410i
245.4 1.35779 + 0.395472i 0 1.68720 + 1.07394i 2.27648 3.13331i 0 1.07047 3.29456i 1.86616 + 2.12543i −2.42705 + 1.76336i 4.33013 3.35410i
269.1 −1.33093 0.478148i 0 1.54275 + 1.27276i −3.68343 1.19682i 0 −2.80252 + 2.03615i −1.44472 2.43162i 0.927051 + 2.85317i 4.33013 + 3.35410i
269.2 −0.795697 + 1.16913i 0 −0.733733 1.86055i 3.68343 + 1.19682i 0 2.80252 2.03615i 2.75905 + 0.622602i 0.927051 + 2.85317i −4.33013 + 3.35410i
269.3 0.795697 1.16913i 0 −0.733733 1.86055i 3.68343 + 1.19682i 0 −2.80252 + 2.03615i −2.75905 0.622602i 0.927051 + 2.85317i 4.33013 3.35410i
269.4 1.33093 + 0.478148i 0 1.54275 + 1.27276i −3.68343 1.19682i 0 2.80252 2.03615i 1.44472 + 2.43162i 0.927051 + 2.85317i −4.33013 3.35410i
493.1 −1.33093 + 0.478148i 0 1.54275 1.27276i −3.68343 + 1.19682i 0 −2.80252 2.03615i −1.44472 + 2.43162i 0.927051 2.85317i 4.33013 3.35410i
493.2 −0.795697 1.16913i 0 −0.733733 + 1.86055i 3.68343 1.19682i 0 2.80252 + 2.03615i 2.75905 0.622602i 0.927051 2.85317i −4.33013 3.35410i
493.3 0.795697 + 1.16913i 0 −0.733733 + 1.86055i 3.68343 1.19682i 0 −2.80252 2.03615i −2.75905 + 0.622602i 0.927051 2.85317i 4.33013 + 3.35410i
493.4 1.33093 0.478148i 0 1.54275 1.27276i −3.68343 + 1.19682i 0 2.80252 + 2.03615i 1.44472 2.43162i 0.927051 2.85317i −4.33013 + 3.35410i
565.1 −1.35779 + 0.395472i 0 1.68720 1.07394i 2.27648 + 3.13331i 0 −1.07047 3.29456i −1.86616 + 2.12543i −2.42705 1.76336i −4.33013 3.35410i
565.2 −0.0434654 1.41355i 0 −1.99622 + 0.122881i −2.27648 3.13331i 0 −1.07047 3.29456i 0.260464 + 2.81641i −2.42705 1.76336i −4.33013 + 3.35410i
565.3 0.0434654 + 1.41355i 0 −1.99622 + 0.122881i −2.27648 3.13331i 0 1.07047 + 3.29456i −0.260464 2.81641i −2.42705 1.76336i 4.33013 3.35410i
565.4 1.35779 0.395472i 0 1.68720 1.07394i 2.27648 + 3.13331i 0 1.07047 + 3.29456i 1.86616 2.12543i −2.42705 1.76336i 4.33013 + 3.35410i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 245.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.b even 2 1 inner
11.b odd 2 1 inner
11.c even 5 3 inner
11.d odd 10 3 inner
88.b odd 2 1 inner
88.o even 10 3 inner
88.p odd 10 3 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 968.2.o.b 16
8.b even 2 1 inner 968.2.o.b 16
11.b odd 2 1 inner 968.2.o.b 16
11.c even 5 1 968.2.c.b 4
11.c even 5 3 inner 968.2.o.b 16
11.d odd 10 1 968.2.c.b 4
11.d odd 10 3 inner 968.2.o.b 16
44.g even 10 1 3872.2.c.b 4
44.h odd 10 1 3872.2.c.b 4
88.b odd 2 1 inner 968.2.o.b 16
88.k even 10 1 3872.2.c.b 4
88.l odd 10 1 3872.2.c.b 4
88.o even 10 1 968.2.c.b 4
88.o even 10 3 inner 968.2.o.b 16
88.p odd 10 1 968.2.c.b 4
88.p odd 10 3 inner 968.2.o.b 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
968.2.c.b 4 11.c even 5 1
968.2.c.b 4 11.d odd 10 1
968.2.c.b 4 88.o even 10 1
968.2.c.b 4 88.p odd 10 1
968.2.o.b 16 1.a even 1 1 trivial
968.2.o.b 16 8.b even 2 1 inner
968.2.o.b 16 11.b odd 2 1 inner
968.2.o.b 16 11.c even 5 3 inner
968.2.o.b 16 11.d odd 10 3 inner
968.2.o.b 16 88.b odd 2 1 inner
968.2.o.b 16 88.o even 10 3 inner
968.2.o.b 16 88.p odd 10 3 inner
3872.2.c.b 4 44.g even 10 1
3872.2.c.b 4 44.h odd 10 1
3872.2.c.b 4 88.k even 10 1
3872.2.c.b 4 88.l odd 10 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(968, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{5}^{8} - 15T_{5}^{6} + 225T_{5}^{4} - 3375T_{5}^{2} + 50625 \) Copy content Toggle raw display
\( T_{7}^{8} + 12T_{7}^{6} + 144T_{7}^{4} + 1728T_{7}^{2} + 20736 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} - T^{14} + \cdots + 256 \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} - 15 T^{6} + \cdots + 50625)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} + 12 T^{6} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$11$ \( T^{16} \) Copy content Toggle raw display
$13$ \( (T^{8} - 5 T^{6} + \cdots + 625)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 3 T^{6} + 9 T^{4} + \cdots + 81)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} - 20 T^{6} + \cdots + 160000)^{2} \) Copy content Toggle raw display
$23$ \( (T - 8)^{16} \) Copy content Toggle raw display
$29$ \( (T^{8} - 45 T^{6} + \cdots + 4100625)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} - 6 T^{3} + \cdots + 1296)^{4} \) Copy content Toggle raw display
$37$ \( (T^{8} - 15 T^{6} + \cdots + 50625)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} + 3 T^{6} + 9 T^{4} + \cdots + 81)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} + 20)^{8} \) Copy content Toggle raw display
$47$ \( (T^{4} + 4 T^{3} + \cdots + 256)^{4} \) Copy content Toggle raw display
$53$ \( (T^{8} - 15 T^{6} + \cdots + 50625)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 60 T^{6} + \cdots + 12960000)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 20 T^{6} + \cdots + 160000)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 60)^{8} \) Copy content Toggle raw display
$71$ \( (T^{4} - 2 T^{3} + 4 T^{2} + \cdots + 16)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} + 48 T^{6} + \cdots + 5308416)^{2} \) Copy content Toggle raw display
$79$ \( T^{16} \) Copy content Toggle raw display
$83$ \( (T^{8} - 180 T^{6} + \cdots + 1049760000)^{2} \) Copy content Toggle raw display
$89$ \( (T + 7)^{16} \) Copy content Toggle raw display
$97$ \( (T^{4} - 9 T^{3} + \cdots + 6561)^{4} \) Copy content Toggle raw display
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