Properties

Label 1323.2.c.f
Level $1323$
Weight $2$
Character orbit 1323.c
Analytic conductor $10.564$
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] = [1323,2,Mod(1322,1323)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1323, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1323.1322");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1323 = 3^{3} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1323.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: \(10.5642081874\)
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: \( x^{16} + 24x^{14} + 212x^{12} + 872x^{10} + 1815x^{8} + 1928x^{6} + 996x^{4} + 200x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{8} \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q + \beta_{5} q^{2} + (\beta_{13} - 1) q^{4} - \beta_{2} q^{5} + ( - \beta_{15} + \beta_{12} + \cdots - \beta_1) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{5} q^{2} + (\beta_{13} - 1) q^{4} - \beta_{2} q^{5} + ( - \beta_{15} + \beta_{12} + \cdots - \beta_1) q^{8}+ \cdots + (2 \beta_{14} - 6 \beta_{10} + \cdots + 4 \beta_{4}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 16 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 16 q^{4} + 48 q^{16} + 64 q^{22} - 16 q^{25} + 32 q^{37} - 16 q^{43} + 16 q^{46} - 32 q^{64} + 48 q^{67} - 64 q^{79} + 64 q^{85} - 176 q^{88}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} + 24x^{14} + 212x^{12} + 872x^{10} + 1815x^{8} + 1928x^{6} + 996x^{4} + 200x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 3566 \nu^{15} - 82183 \nu^{13} - 677054 \nu^{11} - 2451006 \nu^{9} - 4029525 \nu^{7} + \cdots + 102636 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 4109 \nu^{14} + 95961 \nu^{12} + 809596 \nu^{10} + 3069810 \nu^{8} + 5537952 \nu^{6} + 4485192 \nu^{4} + \cdots - 9938 ) / 7231 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 4213 \nu^{14} - 98695 \nu^{12} - 836669 \nu^{10} - 3196410 \nu^{8} - 5829935 \nu^{6} - 4816716 \nu^{4} + \cdots - 8680 ) / 7231 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 11880 \nu^{15} + 277026 \nu^{13} + 2330454 \nu^{11} + 8786075 \nu^{9} + 15693672 \nu^{7} + \cdots + 206322 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 12411 \nu^{15} + 289535 \nu^{13} + 2437027 \nu^{11} + 9191538 \nu^{9} + 16395526 \nu^{7} + \cdots + 89795 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 12661 \nu^{15} - 294796 \nu^{13} - 2472050 \nu^{11} - 9248819 \nu^{9} - 16190613 \nu^{7} + \cdots + 184528 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 15611 \nu^{14} - 362454 \nu^{12} - 3026016 \nu^{10} - 11245322 \nu^{8} - 19531408 \nu^{6} + \cdots + 16978 ) / 7231 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 2432 \nu^{14} - 56782 \nu^{12} - 478539 \nu^{10} - 1808300 \nu^{8} - 3232355 \nu^{6} - 2573576 \nu^{4} + \cdots - 5170 ) / 1033 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 20\nu^{14} + 467\nu^{12} + 3936\nu^{10} + 14872\nu^{8} + 26564\nu^{6} + 21096\nu^{4} + 5980\nu^{2} + 18 ) / 7 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 20975 \nu^{15} - 489639 \nu^{13} - 4125450 \nu^{11} - 15583888 \nu^{9} - 27854760 \nu^{7} + \cdots - 109968 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 24141 \nu^{14} + 562578 \nu^{12} + 4726427 \nu^{10} + 17764742 \nu^{8} + 31483261 \nu^{6} + \cdots + 62386 ) / 7231 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 25023 \nu^{15} + 585089 \nu^{13} + 4943611 \nu^{11} + 18772057 \nu^{9} + 33876484 \nu^{7} + \cdots + 246543 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 25833 \nu^{14} - 602052 \nu^{12} - 5058697 \nu^{10} - 19017892 \nu^{8} - 33715265 \nu^{6} + \cdots - 19311 ) / 7231 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 25926 \nu^{15} + 603881 \nu^{13} + 5068077 \nu^{11} + 18998083 \nu^{9} + 33405881 \nu^{7} + \cdots - 437333 \nu ) / 7231 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 33297 \nu^{15} + 775702 \nu^{13} + 6512858 \nu^{11} + 24444196 \nu^{9} + 43160577 \nu^{7} + \cdots - 173250 \nu ) / 7231 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{10} - \beta_{6} + \beta_{4} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{11} + \beta_{7} + 3\beta_{3} + \beta_{2} - 6 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -\beta_{15} - 5\beta_{10} + 6\beta_{6} + 6\beta_{5} - 8\beta_{4} - 7\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 2\beta_{13} - 9\beta_{11} - 3\beta_{9} - 6\beta_{8} - 10\beta_{7} - 27\beta_{3} - 10\beta_{2} + 38 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 5\beta_{15} + 3\beta_{14} - \beta_{12} + 33\beta_{10} - 47\beta_{6} - 62\beta_{5} + 71\beta_{4} + 55\beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -18\beta_{13} + 86\beta_{11} + 42\beta_{9} + 83\beta_{8} + 90\beta_{7} + 229\beta_{3} + 91\beta_{2} - 294 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 11 \beta_{15} - 51 \beta_{14} + 34 \beta_{12} - 219 \beta_{10} + 385 \beta_{6} + 559 \beta_{5} + \cdots - 467 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 113 \beta_{13} - 820 \beta_{11} - 476 \beta_{9} - 909 \beta_{8} - 787 \beta_{7} - 1948 \beta_{3} + \cdots + 2417 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 145 \beta_{15} + 630 \beta_{14} - 552 \beta_{12} + 1387 \beta_{10} - 3204 \beta_{6} + \cdots + 4085 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 514 \beta_{13} + 7743 \beta_{11} + 4970 \beta_{9} + 9227 \beta_{8} + 6847 \beta_{7} + 16682 \beta_{3} + \cdots - 20336 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 3077 \beta_{15} - 6896 \beta_{14} + 6970 \beta_{12} - 8084 \beta_{10} + 26945 \beta_{6} + \cdots - 36116 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 252 \beta_{13} - 36212 \beta_{11} - 24831 \beta_{9} - 45170 \beta_{8} - 29832 \beta_{7} - 71870 \beta_{3} + \cdots + 86566 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 40723 \beta_{15} + 70975 \beta_{14} - 78066 \beta_{12} + 39791 \beta_{10} - 228507 \beta_{6} + \cdots + 320677 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 27158 \beta_{13} + 671999 \beta_{11} + 482846 \beta_{9} + 865586 \beta_{8} + 521589 \beta_{7} + \cdots - 1485588 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 462786 \beta_{15} - 704028 \beta_{14} + 817509 \beta_{12} - 112000 \beta_{10} + 1951782 \beta_{6} + \cdots - 2853438 \beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1323\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(1081\)
\(\chi(n)\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1322.1
1.54124i
1.70654i
0.829521i
2.99366i
0.964652i
0.0716223i
2.73296i
0.810833i
2.73296i
0.810833i
0.964652i
0.0716223i
0.829521i
2.99366i
1.54124i
1.70654i
2.67093i 0 −5.13386 −3.20318 0 0 8.37032i 0 8.55547i
1322.2 2.67093i 0 −5.13386 3.20318 0 0 8.37032i 0 8.55547i
1322.3 2.02428i 0 −2.09771 −0.182734 0 0 0.197790i 0 0.369905i
1322.4 2.02428i 0 −2.09771 0.182734 0 0 0.197790i 0 0.369905i
1322.5 0.698626i 0 1.51192 −2.26676 0 0 2.45352i 0 1.58361i
1322.6 0.698626i 0 1.51192 2.26676 0 0 2.45352i 0 1.58361i
1322.7 0.529484i 0 1.71965 −0.753692 0 0 1.96949i 0 0.399068i
1322.8 0.529484i 0 1.71965 0.753692 0 0 1.96949i 0 0.399068i
1322.9 0.529484i 0 1.71965 −0.753692 0 0 1.96949i 0 0.399068i
1322.10 0.529484i 0 1.71965 0.753692 0 0 1.96949i 0 0.399068i
1322.11 0.698626i 0 1.51192 −2.26676 0 0 2.45352i 0 1.58361i
1322.12 0.698626i 0 1.51192 2.26676 0 0 2.45352i 0 1.58361i
1322.13 2.02428i 0 −2.09771 −0.182734 0 0 0.197790i 0 0.369905i
1322.14 2.02428i 0 −2.09771 0.182734 0 0 0.197790i 0 0.369905i
1322.15 2.67093i 0 −5.13386 −3.20318 0 0 8.37032i 0 8.55547i
1322.16 2.67093i 0 −5.13386 3.20318 0 0 8.37032i 0 8.55547i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1322.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
7.b odd 2 1 inner
21.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1323.2.c.f 16
3.b odd 2 1 inner 1323.2.c.f 16
7.b odd 2 1 inner 1323.2.c.f 16
21.c even 2 1 inner 1323.2.c.f 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1323.2.c.f 16 1.a even 1 1 trivial
1323.2.c.f 16 3.b odd 2 1 inner
1323.2.c.f 16 7.b odd 2 1 inner
1323.2.c.f 16 21.c even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{8} + 12T_{2}^{6} + 38T_{2}^{4} + 24T_{2}^{2} + 4 \) acting on \(S_{2}^{\mathrm{new}}(1323, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} + 12 T^{6} + 38 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} - 16 T^{6} + 62 T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{8} + 60 T^{6} + \cdots + 2116)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + 76 T^{6} + \cdots + 20164)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} - 92 T^{6} + \cdots + 134689)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 28 T^{6} + 206 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 88 T^{6} + \cdots + 148996)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + 108 T^{6} + \cdots + 4)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} + 172 T^{6} + \cdots + 9604)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} - 8 T^{3} + \cdots + 391)^{4} \) Copy content Toggle raw display
$41$ \( (T^{8} - 112 T^{6} + \cdots + 529)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 4 T^{3} + \cdots + 943)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} - 196 T^{6} + \cdots + 18769)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 344 T^{6} + \cdots + 6791236)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 292 T^{6} + \cdots + 24990001)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 436 T^{6} + \cdots + 5827396)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 12 T^{3} + \cdots + 612)^{4} \) Copy content Toggle raw display
$71$ \( (T^{8} + 432 T^{6} + \cdots + 68029504)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 104 T^{6} + \cdots + 103684)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 16 T^{3} + \cdots - 6167)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} - 400 T^{6} + \cdots + 390625)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} - 652 T^{6} + \cdots + 2155024)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 596 T^{6} + \cdots + 36409156)^{2} \) Copy content Toggle raw display
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