Properties

Label 245.4.j.c
Level $245$
Weight $4$
Character orbit 245.j
Analytic conductor $14.455$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [245,4,Mod(79,245)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(245, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 2]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("245.79");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 245 = 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 245.j (of order \(6\), degree \(2\), 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: \(14.4554679514\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 202 x^{14} + 28551 x^{12} - 2053418 x^{10} + 106952621 x^{8} - 2343939932 x^{6} + \cdots + 351530410000 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{2}\cdot 5^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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.

\(f(q)\) \(=\) \( q - \beta_{6} q^{2} + \beta_{14} q^{3} + (\beta_{3} + \beta_{2} + 9 \beta_1 + 1) q^{4} + (\beta_{8} + \beta_{4}) q^{5} + (\beta_{10} - 2 \beta_{9} + \beta_{7}) q^{6} + ( - \beta_{15} + 8 \beta_{11} + \cdots + \beta_{5}) q^{8}+ \cdots + ( - 3 \beta_{3} - 7 \beta_1 + 7) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{6} q^{2} + \beta_{14} q^{3} + (\beta_{3} + \beta_{2} + 9 \beta_1 + 1) q^{4} + (\beta_{8} + \beta_{4}) q^{5} + (\beta_{10} - 2 \beta_{9} + \beta_{7}) q^{6} + ( - \beta_{15} + 8 \beta_{11} + \cdots + \beta_{5}) q^{8}+ \cdots + (14 \beta_{2} - 266) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 76 q^{4} + 68 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 76 q^{4} + 68 q^{9} + 60 q^{11} - 512 q^{15} - 500 q^{16} - 412 q^{25} - 1832 q^{29} + 1388 q^{30} + 6680 q^{36} - 276 q^{39} + 328 q^{44} + 1096 q^{46} - 2728 q^{50} - 2844 q^{51} - 4228 q^{60} - 11528 q^{64} + 1016 q^{65} + 5264 q^{71} + 8984 q^{74} - 1468 q^{79} - 992 q^{81} + 6392 q^{85} + 3920 q^{86} - 1508 q^{95} - 4368 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 202 x^{14} + 28551 x^{12} - 2053418 x^{10} + 106952621 x^{8} - 2343939932 x^{6} + \cdots + 351530410000 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 19\!\cdots\!11 \nu^{14} + \cdots - 39\!\cdots\!00 ) / 18\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 323748766 \nu^{14} - 60352905957 \nu^{12} + 8133690747930 \nu^{10} - 508900653833220 \nu^{8} + \cdots + 58\!\cdots\!20 ) / 58\!\cdots\!15 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 19\!\cdots\!33 \nu^{14} + \cdots - 27\!\cdots\!00 ) / 19\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 66\!\cdots\!55 \nu^{15} + \cdots + 17\!\cdots\!00 ) / 15\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 48\!\cdots\!39 \nu^{15} + \cdots - 11\!\cdots\!88 \nu ) / 10\!\cdots\!40 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 17\!\cdots\!63 \nu^{15} + \cdots + 56\!\cdots\!08 \nu ) / 20\!\cdots\!80 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 26\!\cdots\!20 \nu^{15} + \cdots + 99\!\cdots\!00 ) / 30\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 15\!\cdots\!51 \nu^{15} + \cdots + 70\!\cdots\!36 \nu ) / 16\!\cdots\!40 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 38\!\cdots\!39 \nu^{15} + \cdots - 27\!\cdots\!00 ) / 29\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 10\!\cdots\!06 \nu^{15} + \cdots - 43\!\cdots\!00 ) / 59\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 81\!\cdots\!83 \nu^{15} + \cdots + 10\!\cdots\!00 \nu ) / 29\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 17\!\cdots\!45 \nu^{15} + \cdots - 68\!\cdots\!00 ) / 61\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 78\!\cdots\!97 \nu^{15} + \cdots + 45\!\cdots\!00 ) / 23\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 10\!\cdots\!11 \nu^{15} + \cdots - 12\!\cdots\!00 \nu ) / 23\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 17\!\cdots\!63 \nu^{15} + \cdots - 21\!\cdots\!00 \nu ) / 14\!\cdots\!00 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{12} - \beta_{8} + 5\beta_{6} + \beta_{4} ) / 5 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -2\beta_{14} + 2\beta_{13} + 18\beta_{9} + 18\beta_{4} - 5\beta_{3} - 5\beta_{2} + 255\beta _1 - 5 ) / 5 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 25 \beta_{15} - 117 \beta_{14} + 77 \beta_{13} + 77 \beta_{12} - 420 \beta_{11} - 77 \beta_{9} + \cdots + 25 \beta_{5} ) / 5 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -236\beta_{12} + 236\beta_{8} - 160\beta_{7} + 1804\beta_{4} - 545\beta_{3} + 20645\beta _1 - 20645 ) / 5 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -645\beta_{15} - 1577\beta_{14} + 1393\beta_{13} - 7446\beta_{11} - 1393\beta_{9} - 1393\beta_{4} \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 24086 \beta_{14} - 24086 \beta_{13} - 24086 \beta_{12} - 24880 \beta_{10} - 167014 \beta_{9} + \cdots - 1779000 ) / 5 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -666593\beta_{12} + 454713\beta_{8} - 3293670\beta_{6} - 356675\beta_{5} - 666593\beta_{4} ) / 5 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 2395352 \beta_{14} - 2395352 \beta_{13} - 3065280 \beta_{10} - 15427608 \beta_{9} - 15427608 \beta_{4} + \cdots + 7719445 ) / 5 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 37803525 \beta_{15} + 19312969 \beta_{14} - 64951729 \beta_{13} - 64951729 \beta_{12} + \cdots - 37803525 \beta_{5} ) / 5 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 47461746 \beta_{12} - 47461746 \beta_{8} + 69613392 \beta_{7} - 287928930 \beta_{4} + 172380291 \beta_{3} + \cdots + 3208606451 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 3931122675 \beta_{15} - 77243011 \beta_{14} - 6375360389 \beta_{13} + 26779255870 \beta_{11} + \cdots + 6375360389 \beta_{4} ) / 5 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( - 23524579588 \beta_{14} + 23524579588 \beta_{13} + 23524579588 \beta_{12} + 37901584800 \beta_{10} + \cdots + 1434738950000 ) / 5 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 628386849133 \beta_{12} + 161046406107 \beta_{8} + 2470433787330 \beta_{6} + \cdots + 628386849133 \beta_{4} ) / 5 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 2334986215774 \beta_{14} + 2334986215774 \beta_{13} + 4022800213040 \beta_{10} + 12969275515886 \beta_{9} + \cdots - 9838180781455 ) / 5 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( - 8246728673055 \beta_{15} + 5556498224339 \beta_{14} + 12423262407605 \beta_{13} + \cdots + 8246728673055 \beta_{5} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/245\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(197\)
\(\chi(n)\) \(-1 + \beta_{1}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
79.1
1.61412 + 0.931915i
7.56653 + 4.36854i
8.65084 + 4.99457i
−4.09941 2.36679i
4.09941 + 2.36679i
−8.65084 4.99457i
−7.56653 4.36854i
−1.61412 0.931915i
1.61412 0.931915i
7.56653 4.36854i
8.65084 4.99457i
−4.09941 + 2.36679i
4.09941 2.36679i
−8.65084 + 4.99457i
−7.56653 + 4.36854i
−1.61412 + 0.931915i
−4.59033 2.65023i −7.10375 + 4.10135i 10.0474 + 17.4026i 10.1696 4.64541i 43.4781 0 64.1080i 20.1422 34.8873i −58.9931 5.62769i
79.2 −4.59033 2.65023i 7.10375 4.10135i 10.0474 + 17.4026i −10.1696 + 4.64541i −43.4781 0 64.1080i 20.1422 34.8873i 58.9931 + 5.62769i
79.3 −2.27572 1.31389i −1.66933 + 0.963791i −0.547405 0.948133i 0.0209014 + 11.1803i 5.06525 0 23.8991i −11.6422 + 20.1649i 14.6421 25.4707i
79.4 −2.27572 1.31389i 1.66933 0.963791i −0.547405 0.948133i −0.0209014 11.1803i −5.06525 0 23.8991i −11.6422 + 20.1649i −14.6421 + 25.4707i
79.5 2.27572 + 1.31389i −1.66933 + 0.963791i −0.547405 0.948133i 9.69289 5.57206i −5.06525 0 23.8991i −11.6422 + 20.1649i 29.3793 + 0.0549241i
79.6 2.27572 + 1.31389i 1.66933 0.963791i −0.547405 0.948133i −9.69289 + 5.57206i 5.06525 0 23.8991i −11.6422 + 20.1649i −29.3793 0.0549241i
79.7 4.59033 + 2.65023i −7.10375 + 4.10135i 10.0474 + 17.4026i 1.06174 + 11.1298i −43.4781 0 64.1080i 20.1422 34.8873i −24.6228 + 53.9033i
79.8 4.59033 + 2.65023i 7.10375 4.10135i 10.0474 + 17.4026i −1.06174 11.1298i 43.4781 0 64.1080i 20.1422 34.8873i 24.6228 53.9033i
214.1 −4.59033 + 2.65023i −7.10375 4.10135i 10.0474 17.4026i 10.1696 + 4.64541i 43.4781 0 64.1080i 20.1422 + 34.8873i −58.9931 + 5.62769i
214.2 −4.59033 + 2.65023i 7.10375 + 4.10135i 10.0474 17.4026i −10.1696 4.64541i −43.4781 0 64.1080i 20.1422 + 34.8873i 58.9931 5.62769i
214.3 −2.27572 + 1.31389i −1.66933 0.963791i −0.547405 + 0.948133i 0.0209014 11.1803i 5.06525 0 23.8991i −11.6422 20.1649i 14.6421 + 25.4707i
214.4 −2.27572 + 1.31389i 1.66933 + 0.963791i −0.547405 + 0.948133i −0.0209014 + 11.1803i −5.06525 0 23.8991i −11.6422 20.1649i −14.6421 25.4707i
214.5 2.27572 1.31389i −1.66933 0.963791i −0.547405 + 0.948133i 9.69289 + 5.57206i −5.06525 0 23.8991i −11.6422 20.1649i 29.3793 0.0549241i
214.6 2.27572 1.31389i 1.66933 + 0.963791i −0.547405 + 0.948133i −9.69289 5.57206i 5.06525 0 23.8991i −11.6422 20.1649i −29.3793 + 0.0549241i
214.7 4.59033 2.65023i −7.10375 4.10135i 10.0474 17.4026i 1.06174 11.1298i −43.4781 0 64.1080i 20.1422 + 34.8873i −24.6228 53.9033i
214.8 4.59033 2.65023i 7.10375 + 4.10135i 10.0474 17.4026i −1.06174 + 11.1298i 43.4781 0 64.1080i 20.1422 + 34.8873i 24.6228 + 53.9033i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 79.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
7.b odd 2 1 inner
7.c even 3 1 inner
7.d odd 6 1 inner
35.c odd 2 1 inner
35.i odd 6 1 inner
35.j even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 245.4.j.c 16
5.b even 2 1 inner 245.4.j.c 16
7.b odd 2 1 inner 245.4.j.c 16
7.c even 3 1 245.4.b.c 8
7.c even 3 1 inner 245.4.j.c 16
7.d odd 6 1 245.4.b.c 8
7.d odd 6 1 inner 245.4.j.c 16
35.c odd 2 1 inner 245.4.j.c 16
35.i odd 6 1 245.4.b.c 8
35.i odd 6 1 inner 245.4.j.c 16
35.j even 6 1 245.4.b.c 8
35.j even 6 1 inner 245.4.j.c 16
35.k even 12 2 1225.4.a.bm 8
35.l odd 12 2 1225.4.a.bm 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
245.4.b.c 8 7.c even 3 1
245.4.b.c 8 7.d odd 6 1
245.4.b.c 8 35.i odd 6 1
245.4.b.c 8 35.j even 6 1
245.4.j.c 16 1.a even 1 1 trivial
245.4.j.c 16 5.b even 2 1 inner
245.4.j.c 16 7.b odd 2 1 inner
245.4.j.c 16 7.c even 3 1 inner
245.4.j.c 16 7.d odd 6 1 inner
245.4.j.c 16 35.c odd 2 1 inner
245.4.j.c 16 35.i odd 6 1 inner
245.4.j.c 16 35.j even 6 1 inner
1225.4.a.bm 8 35.k even 12 2
1225.4.a.bm 8 35.l odd 12 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(245, [\chi])\):

\( T_{2}^{8} - 35T_{2}^{6} + 1031T_{2}^{4} - 6790T_{2}^{2} + 37636 \) Copy content Toggle raw display
\( T_{19}^{8} + 20546T_{19}^{6} + 328242116T_{19}^{4} + 1929187216000T_{19}^{2} + 8816458816000000 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} - 35 T^{6} + \cdots + 37636)^{2} \) Copy content Toggle raw display
$3$ \( (T^{8} - 71 T^{6} + \cdots + 62500)^{2} \) Copy content Toggle raw display
$5$ \( T^{16} + \cdots + 59\!\cdots\!25 \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{4} - 15 T^{3} + \cdots + 3136)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 6391 T^{2} + 3906250)^{4} \) Copy content Toggle raw display
$17$ \( (T^{8} + \cdots + 322417936000000)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + \cdots + 88\!\cdots\!00)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + \cdots + 12\!\cdots\!36)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 229 T + 4018)^{8} \) Copy content Toggle raw display
$31$ \( (T^{8} + \cdots + 9634816000000)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + \cdots + 33\!\cdots\!00)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} - 156776 T^{2} + 3802400000)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 27440 T^{2} + 119243264)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 12\!\cdots\!00)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + \cdots + 26\!\cdots\!00)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + \cdots + 60\!\cdots\!00)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + \cdots + 56\!\cdots\!00)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + \cdots + 16\!\cdots\!16)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 658 T - 53848)^{8} \) Copy content Toggle raw display
$73$ \( (T^{8} + \cdots + 83\!\cdots\!00)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 367 T^{3} + \cdots + 14399520004)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} + 1018386 T^{2} + 135536164000)^{4} \) Copy content Toggle raw display
$89$ \( (T^{8} + \cdots + 23\!\cdots\!00)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 1264725 T^{2} + 392832400000)^{4} \) Copy content Toggle raw display
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