Properties

Label 980.2.c.c
Level $980$
Weight $2$
Character orbit 980.c
Analytic conductor $7.825$
Analytic rank $0$
Dimension $16$
Inner twists $8$

Related objects

Downloads

Learn more

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [980,2,Mod(979,980)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("980.979"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(980, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 1, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 980 = 2^{2} \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 980.c (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [16,0,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(4)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(7.82533939809\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 12x^{14} + 102x^{12} - 388x^{10} + 573x^{8} + 48x^{6} - 700x^{4} + 144x^{2} + 324 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content 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.

\(f(q)\) \(=\) \( q - \beta_{4} q^{2} + ( - \beta_{12} - \beta_{10} - \beta_{8}) q^{3} + (\beta_{9} - \beta_1) q^{4} + (\beta_{15} + \beta_{2}) q^{5} + (\beta_{15} + \beta_{6} - 2 \beta_{3}) q^{6} + (\beta_{14} + \beta_{11}) q^{8}+ \cdots + (2 \beta_{13} + 6 \beta_{9} - 3 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 32 q^{9} - 48 q^{16} + 16 q^{25} + 48 q^{29} - 32 q^{30} - 48 q^{36} - 16 q^{46} - 64 q^{50} - 112 q^{60} + 80 q^{65} + 144 q^{74} + 112 q^{81} + 48 q^{85} + 80 q^{86}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 12x^{14} + 102x^{12} - 388x^{10} + 573x^{8} + 48x^{6} - 700x^{4} + 144x^{2} + 324 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{14} - 6\nu^{12} + 44\nu^{10} + 82\nu^{8} - 599\nu^{6} + 244\nu^{4} + 1234\nu^{2} - 288 ) / 612 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 57\nu^{14} - 640\nu^{12} + 5388\nu^{10} - 18592\nu^{8} + 23169\nu^{6} + 10504\nu^{4} - 47018\nu^{2} + 7776 ) / 17136 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 11\nu^{15} - 90\nu^{13} + 684\nu^{11} - 632\nu^{9} - 4581\nu^{7} + 9870\nu^{5} + 7282\nu^{3} - 16380\nu ) / 7344 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 62 \nu^{15} - 459 \nu^{13} + 3096 \nu^{11} + 2800 \nu^{9} - 57042 \nu^{7} + 105297 \nu^{5} + \cdots - 73170 \nu ) / 25704 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 82 \nu^{15} + 1023 \nu^{13} - 8628 \nu^{11} + 33544 \nu^{9} - 43878 \nu^{7} - 40053 \nu^{5} + \cdots + 7866 \nu ) / 25704 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 79 \nu^{15} + 1224 \nu^{13} - 11154 \nu^{11} + 56938 \nu^{9} - 137625 \nu^{7} + 130374 \nu^{5} + \cdots - 104004 \nu ) / 25704 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 59 \nu^{15} + 436 \nu^{13} - 3200 \nu^{11} - 308 \nu^{9} + 34793 \nu^{7} - 55424 \nu^{5} + \cdots + 13632 \nu ) / 17136 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 53\nu^{14} - 614\nu^{12} + 5116\nu^{10} - 18200\nu^{8} + 20989\nu^{6} + 10530\nu^{4} - 14738\nu^{2} - 15012 ) / 5712 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 23\nu^{14} - 223\nu^{12} + 1760\nu^{10} - 4081\nu^{8} - 2795\nu^{6} + 16220\nu^{4} - 2966\nu^{2} - 10908 ) / 2142 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -27\nu^{14} + 274\nu^{12} - 2212\nu^{10} + 5976\nu^{8} - 995\nu^{6} - 15654\nu^{4} + 6766\nu^{2} + 10476 ) / 2448 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 62 \nu^{15} - 669 \nu^{13} + 5679 \nu^{11} - 18893 \nu^{9} + 26811 \nu^{7} - 6696 \nu^{5} + \cdots + 30780 \nu ) / 12852 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 275 \nu^{14} - 2960 \nu^{12} + 24524 \nu^{10} - 78008 \nu^{8} + 74611 \nu^{6} + 55056 \nu^{4} + \cdots - 13680 ) / 17136 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( -24\nu^{14} + 268\nu^{12} - 2248\nu^{10} + 7686\nu^{8} - 9440\nu^{6} - 2280\nu^{4} + 6304\nu^{2} + 1683 ) / 1071 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 265 \nu^{15} + 2958 \nu^{13} - 24726 \nu^{11} + 84238 \nu^{9} - 99303 \nu^{7} - 25224 \nu^{5} + \cdots + 40536 \nu ) / 25704 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 89 \nu^{15} - 960 \nu^{13} + 7908 \nu^{11} - 24920 \nu^{9} + 20649 \nu^{7} + 28032 \nu^{5} + \cdots - 13968 \nu ) / 7344 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} - \beta_{7} - \beta_{6} - \beta_{5} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{13} - 2\beta_{10} - 2\beta_{9} + 2\beta_{8} + 2\beta _1 + 3 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -9\beta_{15} - 6\beta_{14} + 4\beta_{11} + \beta_{7} - \beta_{6} - 3\beta_{5} + 9\beta_{4} - 2\beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 7\beta_{13} + 16\beta_{12} - 12\beta_{10} - 12\beta_{9} - 4\beta_{8} - 16\beta_{2} - 8\beta _1 - 15 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 5\beta_{15} + 40\beta_{11} + 51\beta_{7} + 19\beta_{6} + 23\beta_{5} + 31\beta_{4} - 14\beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -25\beta_{13} + 88\beta_{12} + 22\beta_{10} + 28\beta_{9} - 134\beta_{8} - 160\beta_{2} - 156\beta _1 - 195 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 521 \beta_{15} + 384 \beta_{14} + 38 \beta_{11} + 259 \beta_{7} + 105 \beta_{6} + 287 \beta_{5} + \cdots + 122 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -585\beta_{13} - 400\beta_{12} + 712\beta_{10} + 808\beta_{9} - 648\beta_{8} - 176\beta_{2} - 560\beta _1 - 219 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 2923 \beta_{15} + 2496 \beta_{14} - 1920 \beta_{11} - 1223 \beta_{7} - 503 \beta_{6} + \cdots + 1746 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 2371 \beta_{13} - 7548 \beta_{12} + 2930 \beta_{10} + 3308 \beta_{9} + 3310 \beta_{8} + 7692 \beta_{2} + \cdots + 9663 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 10977 \beta_{15} - 5724 \beta_{14} - 13786 \beta_{11} - 21955 \beta_{7} - 9065 \beta_{6} + \cdots + 4598 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 17477 \beta_{13} - 24976 \beta_{12} - 22116 \beta_{10} - 24804 \beta_{9} + 56068 \beta_{8} + \cdots + 72135 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 230867 \beta_{15} - 174096 \beta_{14} + 21944 \beta_{11} - 68121 \beta_{7} - 28105 \beta_{6} + \cdots - 67354 \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 239239 \beta_{13} + 263864 \beta_{12} - 301426 \beta_{10} - 338464 \beta_{9} + 162146 \beta_{8} + \cdots - 90675 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 821447 \beta_{15} - 761196 \beta_{14} + 903754 \beta_{11} + 797531 \beta_{7} + \cdots - 670646 \beta_{3} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/980\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(197\) \(491\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
979.1
1.53860 0.297929i
0.106729 0.839125i
0.106729 + 0.839125i
1.53860 + 0.297929i
1.15989 + 0.169383i
−2.29695 + 1.47595i
−2.29695 1.47595i
1.15989 0.169383i
2.29695 + 1.47595i
−1.15989 + 0.169383i
−1.15989 0.169383i
2.29695 1.47595i
−0.106729 0.839125i
−1.53860 0.297929i
−1.53860 + 0.297929i
−0.106729 + 0.839125i
−1.16342 0.804019i 3.04017i 0.707107 + 1.87083i −2.10100 + 0.765367i −2.44436 + 3.53701i 0 0.681517 2.74509i −6.24264 3.05973 + 0.798801i
979.2 −1.16342 0.804019i 3.04017i 0.707107 + 1.87083i 2.10100 0.765367i 2.44436 3.53701i 0 0.681517 2.74509i −6.24264 −3.05973 0.798801i
979.3 −1.16342 + 0.804019i 3.04017i 0.707107 1.87083i 2.10100 + 0.765367i 2.44436 + 3.53701i 0 0.681517 + 2.74509i −6.24264 −3.05973 + 0.798801i
979.4 −1.16342 + 0.804019i 3.04017i 0.707107 1.87083i −2.10100 0.765367i −2.44436 3.53701i 0 0.681517 + 2.74509i −6.24264 3.05973 0.798801i
979.5 −0.804019 1.16342i 0.870264i −0.707107 + 1.87083i −1.25928 + 1.84776i −1.01249 + 0.699709i 0 2.74509 0.681517i 2.24264 3.16221 0.0205578i
979.6 −0.804019 1.16342i 0.870264i −0.707107 + 1.87083i 1.25928 1.84776i 1.01249 0.699709i 0 2.74509 0.681517i 2.24264 −3.16221 + 0.0205578i
979.7 −0.804019 + 1.16342i 0.870264i −0.707107 1.87083i 1.25928 + 1.84776i 1.01249 + 0.699709i 0 2.74509 + 0.681517i 2.24264 −3.16221 0.0205578i
979.8 −0.804019 + 1.16342i 0.870264i −0.707107 1.87083i −1.25928 1.84776i −1.01249 0.699709i 0 2.74509 + 0.681517i 2.24264 3.16221 + 0.0205578i
979.9 0.804019 1.16342i 0.870264i −0.707107 1.87083i 1.25928 1.84776i −1.01249 0.699709i 0 −2.74509 0.681517i 2.24264 −1.13724 2.95071i
979.10 0.804019 1.16342i 0.870264i −0.707107 1.87083i −1.25928 + 1.84776i 1.01249 + 0.699709i 0 −2.74509 0.681517i 2.24264 1.13724 + 2.95071i
979.11 0.804019 + 1.16342i 0.870264i −0.707107 + 1.87083i −1.25928 1.84776i 1.01249 0.699709i 0 −2.74509 + 0.681517i 2.24264 1.13724 2.95071i
979.12 0.804019 + 1.16342i 0.870264i −0.707107 + 1.87083i 1.25928 + 1.84776i −1.01249 + 0.699709i 0 −2.74509 + 0.681517i 2.24264 −1.13724 + 2.95071i
979.13 1.16342 0.804019i 3.04017i 0.707107 1.87083i 2.10100 0.765367i −2.44436 3.53701i 0 −0.681517 2.74509i −6.24264 1.82899 2.57969i
979.14 1.16342 0.804019i 3.04017i 0.707107 1.87083i −2.10100 + 0.765367i 2.44436 + 3.53701i 0 −0.681517 2.74509i −6.24264 −1.82899 + 2.57969i
979.15 1.16342 + 0.804019i 3.04017i 0.707107 + 1.87083i −2.10100 0.765367i 2.44436 3.53701i 0 −0.681517 + 2.74509i −6.24264 −1.82899 2.57969i
979.16 1.16342 + 0.804019i 3.04017i 0.707107 + 1.87083i 2.10100 + 0.765367i −2.44436 + 3.53701i 0 −0.681517 + 2.74509i −6.24264 1.82899 + 2.57969i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 979.16
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
7.b odd 2 1 inner
20.d odd 2 1 inner
28.d even 2 1 inner
35.c odd 2 1 inner
140.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 980.2.c.c 16
4.b odd 2 1 inner 980.2.c.c 16
5.b even 2 1 inner 980.2.c.c 16
7.b odd 2 1 inner 980.2.c.c 16
7.c even 3 2 980.2.s.d 32
7.d odd 6 2 980.2.s.d 32
20.d odd 2 1 inner 980.2.c.c 16
28.d even 2 1 inner 980.2.c.c 16
28.f even 6 2 980.2.s.d 32
28.g odd 6 2 980.2.s.d 32
35.c odd 2 1 inner 980.2.c.c 16
35.i odd 6 2 980.2.s.d 32
35.j even 6 2 980.2.s.d 32
140.c even 2 1 inner 980.2.c.c 16
140.p odd 6 2 980.2.s.d 32
140.s even 6 2 980.2.s.d 32
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
980.2.c.c 16 1.a even 1 1 trivial
980.2.c.c 16 4.b odd 2 1 inner
980.2.c.c 16 5.b even 2 1 inner
980.2.c.c 16 7.b odd 2 1 inner
980.2.c.c 16 20.d odd 2 1 inner
980.2.c.c 16 28.d even 2 1 inner
980.2.c.c 16 35.c odd 2 1 inner
980.2.c.c 16 140.c even 2 1 inner
980.2.s.d 32 7.c even 3 2
980.2.s.d 32 7.d odd 6 2
980.2.s.d 32 28.f even 6 2
980.2.s.d 32 28.g odd 6 2
980.2.s.d 32 35.i odd 6 2
980.2.s.d 32 35.j even 6 2
980.2.s.d 32 140.p odd 6 2
980.2.s.d 32 140.s even 6 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} + 10T_{3}^{2} + 7 \) acting on \(S_{2}^{\mathrm{new}}(980, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} + 6 T^{4} + 16)^{2} \) Copy content Toggle raw display
$3$ \( (T^{4} + 10 T^{2} + 7)^{4} \) Copy content Toggle raw display
$5$ \( (T^{8} - 4 T^{6} + \cdots + 625)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{2} + 7)^{8} \) Copy content Toggle raw display
$13$ \( (T^{4} - 26 T^{2} + 7)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 6 T^{2} + 7)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} - 56 T^{2} + 392)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} - 128 T^{2} + 4046)^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} - 6 T + 7)^{8} \) Copy content Toggle raw display
$31$ \( (T^{4} - 28 T^{2} + 98)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 176 T^{2} + 7406)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 4 T^{2} + 2)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} - 64 T^{2} + 56)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} + 90 T^{2} + 2023)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} + 56 T^{2} + 686)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 140 T^{2} + 4802)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 8 T^{2} + 8)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} - 88 T^{2} + 14)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 84 T^{2} + 196)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} - 300 T^{2} + 14812)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} + 42 T^{2} + 49)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} + 216 T^{2} + 9072)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 64 T^{2} + 512)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} - 474 T^{2} + 55447)^{4} \) Copy content Toggle raw display
show more
show less