Properties

Label 1568.3.c.g
Level $1568$
Weight $3$
Character orbit 1568.c
Analytic conductor $42.725$
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] = [1568,3,Mod(97,1568)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1568, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("1568.97");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1568 = 2^{5} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1568.c (of order \(2\), degree \(1\), 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: \(42.7249054517\)
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: \( x^{16} - 26 x^{14} - 16 x^{13} + 469 x^{12} + 144 x^{11} - 4526 x^{10} + 4440 x^{9} + 32608 x^{8} + \cdots + 208849 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{28}\cdot 7^{2} \)
Twist minimal: no (minimal twist has level 224)
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.

\(f(q)\) \(=\) \( q + \beta_{6} q^{3} + \beta_1 q^{5} + ( - \beta_{4} - 5) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{6} q^{3} + \beta_1 q^{5} + ( - \beta_{4} - 5) q^{9} + ( - \beta_{12} + \beta_{5}) q^{11} + ( - \beta_{10} - \beta_{8} - \beta_1) q^{13} + ( - \beta_{13} + \beta_{12} + \beta_{5}) q^{15} + (\beta_{14} + 2 \beta_{8} + 2 \beta_1) q^{17} + (\beta_{15} - 2 \beta_{6}) q^{19} + (\beta_{12} + \beta_{11} - 2 \beta_{5}) q^{23} + ( - 2 \beta_{9} + 4 \beta_{7} + \cdots - 10) q^{25}+ \cdots + ( - 2 \beta_{13} - 3 \beta_{12} + \cdots - 12 \beta_{5}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 80 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 80 q^{9} - 160 q^{25} - 16 q^{29} - 144 q^{37} - 80 q^{53} + 368 q^{57} + 336 q^{65} + 768 q^{81} - 1072 q^{85} + 336 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 26 x^{14} - 16 x^{13} + 469 x^{12} + 144 x^{11} - 4526 x^{10} + 4440 x^{9} + 32608 x^{8} + \cdots + 208849 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 81\!\cdots\!73 \nu^{15} + \cdots + 73\!\cdots\!63 ) / 38\!\cdots\!33 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 48\!\cdots\!54 \nu^{15} + \cdots - 53\!\cdots\!31 ) / 17\!\cdots\!38 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 27\!\cdots\!43 \nu^{15} + \cdots - 81\!\cdots\!70 ) / 85\!\cdots\!69 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 17\!\cdots\!66 \nu^{15} + \cdots - 58\!\cdots\!09 ) / 44\!\cdots\!59 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 17\!\cdots\!22 \nu^{15} + \cdots - 43\!\cdots\!47 ) / 40\!\cdots\!26 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 87\!\cdots\!58 \nu^{15} + \cdots - 36\!\cdots\!77 ) / 17\!\cdots\!38 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 351675045716698 \nu^{15} + 84134512548244 \nu^{14} + \cdots + 24\!\cdots\!04 ) / 45\!\cdots\!31 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 24\!\cdots\!00 \nu^{15} + \cdots - 35\!\cdots\!43 ) / 24\!\cdots\!53 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 63\!\cdots\!17 \nu^{15} + \cdots + 32\!\cdots\!77 ) / 44\!\cdots\!59 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 10\!\cdots\!23 \nu^{15} + \cdots + 56\!\cdots\!52 ) / 38\!\cdots\!33 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 13\!\cdots\!76 \nu^{15} + \cdots - 74\!\cdots\!23 ) / 40\!\cdots\!26 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 15\!\cdots\!48 \nu^{15} + \cdots - 25\!\cdots\!19 ) / 29\!\cdots\!09 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 12\!\cdots\!67 \nu^{15} + \cdots - 19\!\cdots\!50 ) / 20\!\cdots\!63 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 26\!\cdots\!62 \nu^{15} + \cdots + 54\!\cdots\!03 ) / 38\!\cdots\!33 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 17\!\cdots\!82 \nu^{15} + \cdots + 20\!\cdots\!29 ) / 17\!\cdots\!38 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{14} + \beta_{13} - \beta_{12} - \beta_{11} + \beta_{10} + \beta_{7} - \beta_{6} - \beta_{5} - \beta_{2} + \beta_1 ) / 16 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{14} - 2\beta_{10} - 13\beta_{8} + 2\beta_{6} - 2\beta_{5} + \beta_{4} - 2\beta _1 + 13 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -2\beta_{15} - 6\beta_{9} + 19\beta_{7} - 37\beta_{6} + 6\beta_{4} + 2\beta_{3} - 11\beta_{2} + 24 ) / 8 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 2 \beta_{15} - 5 \beta_{14} + 4 \beta_{13} + 2 \beta_{12} - 4 \beta_{11} - 34 \beta_{10} + 2 \beta_{9} + \cdots - 131 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 13 \beta_{15} + 22 \beta_{14} - 66 \beta_{13} + 27 \beta_{12} + 39 \beta_{11} - 277 \beta_{10} + \cdots + 680 ) / 8 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -43\beta_{15} + 48\beta_{9} - 163\beta_{7} - 921\beta_{6} - 135\beta_{4} + 6\beta_{3} - 122\beta_{2} - 1261 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 268 \beta_{15} - \beta_{14} - 1033 \beta_{13} + 229 \beta_{12} + 733 \beta_{11} - 11339 \beta_{10} + \cdots - 34104 ) / 16 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 788 \beta_{15} - 55 \beta_{14} - 2836 \beta_{13} + 472 \beta_{12} + 2164 \beta_{11} + 2392 \beta_{10} + \cdots - 6799 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 490 \beta_{15} + 33570 \beta_{9} - 97945 \beta_{7} + 9937 \beta_{6} - 70938 \beta_{4} + 526 \beta_{3} + \cdots - 660288 ) / 8 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 13059 \beta_{15} - 4297 \beta_{14} - 51234 \beta_{13} + 12057 \beta_{12} + 36840 \beta_{11} + \cdots - 125022 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 32613 \beta_{15} + 74343 \beta_{14} - 152793 \beta_{13} + 54954 \beta_{12} + 97494 \beta_{11} + \cdots - 5445440 ) / 8 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 97132 \beta_{15} + 112200 \beta_{9} - 363803 \beta_{7} + 2090869 \beta_{6} - 308517 \beta_{4} + \cdots - 2949878 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 2229108 \beta_{15} + 2332695 \beta_{14} - 9498203 \beta_{13} + 2810879 \beta_{12} + 6449951 \beta_{11} + \cdots + 154362832 ) / 16 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 2480988 \beta_{15} + 2503213 \beta_{14} + 10250770 \beta_{13} - 2807806 \beta_{12} - 7108918 \beta_{11} + \cdots - 153106199 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 52228326 \beta_{15} - 75835062 \beta_{9} + 234972317 \beta_{7} + 1126170861 \beta_{6} + \cdots + 1769317544 ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1568\mathbb{Z}\right)^\times\).

\(n\) \(197\) \(1471\) \(1473\)
\(\chi(n)\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
97.1
3.86852 + 1.41699i
−3.16141 + 2.64174i
2.08703 2.02145i
−2.79414 0.796701i
−1.90990 0.286185i
1.20279 1.51093i
−0.162551 + 0.910345i
0.869658 0.314400i
0.869658 + 0.314400i
−0.162551 0.910345i
1.20279 + 1.51093i
−1.90990 + 0.286185i
−2.79414 + 0.796701i
2.08703 + 2.02145i
−3.16141 2.64174i
3.86852 1.41699i
0 5.73991i 0 6.30408i 0 0 0 −23.9466 0
97.2 0 5.73991i 0 6.30408i 0 0 0 −23.9466 0
97.3 0 3.98546i 0 9.01776i 0 0 0 −6.88390 0
97.4 0 3.98546i 0 9.01776i 0 0 0 −6.88390 0
97.5 0 2.54150i 0 4.11878i 0 0 0 2.54076 0
97.6 0 2.54150i 0 4.11878i 0 0 0 2.54076 0
97.7 0 0.842794i 0 1.40510i 0 0 0 8.28970 0
97.8 0 0.842794i 0 1.40510i 0 0 0 8.28970 0
97.9 0 0.842794i 0 1.40510i 0 0 0 8.28970 0
97.10 0 0.842794i 0 1.40510i 0 0 0 8.28970 0
97.11 0 2.54150i 0 4.11878i 0 0 0 2.54076 0
97.12 0 2.54150i 0 4.11878i 0 0 0 2.54076 0
97.13 0 3.98546i 0 9.01776i 0 0 0 −6.88390 0
97.14 0 3.98546i 0 9.01776i 0 0 0 −6.88390 0
97.15 0 5.73991i 0 6.30408i 0 0 0 −23.9466 0
97.16 0 5.73991i 0 6.30408i 0 0 0 −23.9466 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 97.16
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1568.3.c.g 16
4.b odd 2 1 inner 1568.3.c.g 16
7.b odd 2 1 inner 1568.3.c.g 16
7.c even 3 1 224.3.s.b 16
7.d odd 6 1 224.3.s.b 16
28.d even 2 1 inner 1568.3.c.g 16
28.f even 6 1 224.3.s.b 16
28.g odd 6 1 224.3.s.b 16
56.j odd 6 1 448.3.s.h 16
56.k odd 6 1 448.3.s.h 16
56.m even 6 1 448.3.s.h 16
56.p even 6 1 448.3.s.h 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
224.3.s.b 16 7.c even 3 1
224.3.s.b 16 7.d odd 6 1
224.3.s.b 16 28.f even 6 1
224.3.s.b 16 28.g odd 6 1
448.3.s.h 16 56.j odd 6 1
448.3.s.h 16 56.k odd 6 1
448.3.s.h 16 56.m even 6 1
448.3.s.h 16 56.p even 6 1
1568.3.c.g 16 1.a even 1 1 trivial
1568.3.c.g 16 4.b odd 2 1 inner
1568.3.c.g 16 7.b odd 2 1 inner
1568.3.c.g 16 28.d even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1568, [\chi])\):

\( T_{3}^{8} + 56T_{3}^{6} + 878T_{3}^{4} + 3976T_{3}^{2} + 2401 \) Copy content Toggle raw display
\( T_{5}^{8} + 140T_{5}^{6} + 5558T_{5}^{4} + 65260T_{5}^{2} + 108241 \) Copy content Toggle raw display
\( T_{11}^{8} - 536T_{11}^{6} + 80958T_{11}^{4} - 2585576T_{11}^{2} + 19018321 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + 56 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$5$ \( (T^{8} + 140 T^{6} + \cdots + 108241)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{8} - 536 T^{6} + \cdots + 19018321)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + 296 T^{6} + \cdots + 12544)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 844 T^{6} + \cdots + 717007729)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 1448 T^{6} + \cdots + 6387046561)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} - 2584 T^{6} + \cdots + 10882871041)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 4 T^{3} + \cdots + 5008)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} + 2744 T^{6} + \cdots + 36725506321)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + 36 T^{3} + \cdots - 25079)^{4} \) Copy content Toggle raw display
$41$ \( (T^{8} + 2632 T^{6} + \cdots + 31899904)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + \cdots + 12876384903424)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 2641538328961)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 20 T^{3} + \cdots + 779737)^{4} \) Copy content Toggle raw display
$59$ \( (T^{8} + \cdots + 18597147378481)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + \cdots + 11484080659489)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + \cdots + 112936720954561)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + \cdots + 159740883210496)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + \cdots + 46497574501569)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + \cdots + 85293924591841)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + \cdots + 5740355977216)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} + \cdots + 32\!\cdots\!25)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + \cdots + 16556565688576)^{2} \) Copy content Toggle raw display
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