Properties

Label 490.6.a.x
Level $490$
Weight $6$
Character orbit 490.a
Self dual yes
Analytic conductor $78.588$
Analytic rank $0$
Dimension $3$
CM no
Inner twists $1$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [490,6,Mod(1,490)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(490, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("490.1");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 490 = 2 \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 490.a (trivial)

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: yes
Analytic conductor: \(78.5880717084\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: \(\mathbb{Q}[x]/(x^{3} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 438x - 1536 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 4 q^{2} + (\beta_1 - 1) q^{3} + 16 q^{4} + 25 q^{5} + (4 \beta_1 - 4) q^{6} + 64 q^{8} + (\beta_{2} + 4 \beta_1 + 48) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 4 q^{2} + (\beta_1 - 1) q^{3} + 16 q^{4} + 25 q^{5} + (4 \beta_1 - 4) q^{6} + 64 q^{8} + (\beta_{2} + 4 \beta_1 + 48) q^{9} + 100 q^{10} + ( - 2 \beta_{2} + 17 \beta_1 - 53) q^{11} + (16 \beta_1 - 16) q^{12} + ( - 3 \beta_{2} + 6 \beta_1 + 95) q^{13} + (25 \beta_1 - 25) q^{15} + 256 q^{16} + (7 \beta_{2} - 16 \beta_1 + 397) q^{17} + (4 \beta_{2} + 16 \beta_1 + 192) q^{18} + (4 \beta_{2} + 8 \beta_1 + 374) q^{19} + 400 q^{20} + ( - 8 \beta_{2} + 68 \beta_1 - 212) q^{22} + ( - 10 \beta_{2} + 10 \beta_1 + 624) q^{23} + (64 \beta_1 - 64) q^{24} + 625 q^{25} + ( - 12 \beta_{2} + 24 \beta_1 + 380) q^{26} + ( - 2 \beta_{2} - 57 \beta_1 + 1441) q^{27} + (19 \beta_{2} + 326 \beta_1 - 2023) q^{29} + (100 \beta_1 - 100) q^{30} + ( - 34 \beta_{2} - 92 \beta_1 + 770) q^{31} + 1024 q^{32} + (29 \beta_{2} - 204 \beta_1 + 4811) q^{33} + (28 \beta_{2} - 64 \beta_1 + 1588) q^{34} + (16 \beta_{2} + 64 \beta_1 + 768) q^{36} + (48 \beta_{2} + 42 \beta_1 + 3536) q^{37} + (16 \beta_{2} + 32 \beta_1 + 1496) q^{38} + (24 \beta_{2} - 229 \beta_1 + 1387) q^{39} + 1600 q^{40} + (8 \beta_{2} - 2 \beta_1 + 2066) q^{41} + ( - 46 \beta_{2} + 616 \beta_1 - 3766) q^{43} + ( - 32 \beta_{2} + 272 \beta_1 - 848) q^{44} + (25 \beta_{2} + 100 \beta_1 + 1200) q^{45} + ( - 40 \beta_{2} + 40 \beta_1 + 2496) q^{46} + ( - 80 \beta_{2} + 47 \beta_1 + 7863) q^{47} + (256 \beta_1 - 256) q^{48} + 2500 q^{50} + ( - 58 \beta_{2} + 1143 \beta_1 - 4435) q^{51} + ( - 48 \beta_{2} + 96 \beta_1 + 1520) q^{52} + ( - 68 \beta_{2} - 1072 \beta_1 - 4026) q^{53} + ( - 8 \beta_{2} - 228 \beta_1 + 5764) q^{54} + ( - 50 \beta_{2} + 425 \beta_1 - 1325) q^{55} + ( - 16 \beta_{2} + 886 \beta_1 + 2290) q^{57} + (76 \beta_{2} + 1304 \beta_1 - 8092) q^{58} + (6 \beta_{2} - 438 \beta_1 + 27886) q^{59} + (400 \beta_1 - 400) q^{60} + (12 \beta_{2} + 1110 \beta_1 + 7736) q^{61} + ( - 136 \beta_{2} - 368 \beta_1 + 3080) q^{62} + 4096 q^{64} + ( - 75 \beta_{2} + 150 \beta_1 + 2375) q^{65} + (116 \beta_{2} - 816 \beta_1 + 19244) q^{66} + (172 \beta_{2} - 2362 \beta_1 - 11882) q^{67} + (112 \beta_{2} - 256 \beta_1 + 6352) q^{68} + (70 \beta_{2} - 506 \beta_1 + 1416) q^{69} + (8 \beta_{2} + 532 \beta_1 - 512) q^{71} + (64 \beta_{2} + 256 \beta_1 + 3072) q^{72} + ( - 38 \beta_{2} + 1172 \beta_1 + 55374) q^{73} + (192 \beta_{2} + 168 \beta_1 + 14144) q^{74} + (625 \beta_1 - 625) q^{75} + (64 \beta_{2} + 128 \beta_1 + 5984) q^{76} + (96 \beta_{2} - 916 \beta_1 + 5548) q^{78} + (92 \beta_{2} - 2207 \beta_1 - 2227) q^{79} + 6400 q^{80} + ( - 288 \beta_{2} - 52 \beta_1 - 29807) q^{81} + (32 \beta_{2} - 8 \beta_1 + 8264) q^{82} + (90 \beta_{2} + 684 \beta_1 - 1064) q^{83} + (175 \beta_{2} - 400 \beta_1 + 9925) q^{85} + ( - 184 \beta_{2} + 2464 \beta_1 - 15064) q^{86} + (212 \beta_{2} + 1849 \beta_1 + 98197) q^{87} + ( - 128 \beta_{2} + 1088 \beta_1 - 3392) q^{88} + (274 \beta_{2} - 3454 \beta_1 - 3704) q^{89} + (100 \beta_{2} + 400 \beta_1 + 4800) q^{90} + ( - 160 \beta_{2} + 160 \beta_1 + 9984) q^{92} + (112 \beta_{2} - 3702 \beta_1 - 30374) q^{93} + ( - 320 \beta_{2} + 188 \beta_1 + 31452) q^{94} + (100 \beta_{2} + 200 \beta_1 + 9350) q^{95} + (1024 \beta_1 - 1024) q^{96} + (115 \beta_{2} - 5680 \beta_1 + 36425) q^{97} + (108 \beta_{2} + 3082 \beta_1 - 48598) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 12 q^{2} - 2 q^{3} + 48 q^{4} + 75 q^{5} - 8 q^{6} + 192 q^{8} + 149 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q + 12 q^{2} - 2 q^{3} + 48 q^{4} + 75 q^{5} - 8 q^{6} + 192 q^{8} + 149 q^{9} + 300 q^{10} - 144 q^{11} - 32 q^{12} + 288 q^{13} - 50 q^{15} + 768 q^{16} + 1182 q^{17} + 596 q^{18} + 1134 q^{19} + 1200 q^{20} - 576 q^{22} + 1872 q^{23} - 128 q^{24} + 1875 q^{25} + 1152 q^{26} + 4264 q^{27} - 5724 q^{29} - 200 q^{30} + 2184 q^{31} + 3072 q^{32} + 14258 q^{33} + 4728 q^{34} + 2384 q^{36} + 10698 q^{37} + 4536 q^{38} + 3956 q^{39} + 4800 q^{40} + 6204 q^{41} - 10728 q^{43} - 2304 q^{44} + 3725 q^{45} + 7488 q^{46} + 23556 q^{47} - 512 q^{48} + 7500 q^{50} - 12220 q^{51} + 4608 q^{52} - 13218 q^{53} + 17056 q^{54} - 3600 q^{55} + 7740 q^{57} - 22896 q^{58} + 83226 q^{59} - 800 q^{60} + 24330 q^{61} + 8736 q^{62} + 12288 q^{64} + 7200 q^{65} + 57032 q^{66} - 37836 q^{67} + 18912 q^{68} + 3812 q^{69} - 996 q^{71} + 9536 q^{72} + 167256 q^{73} + 42792 q^{74} - 1250 q^{75} + 18144 q^{76} + 15824 q^{78} - 8796 q^{79} + 19200 q^{80} - 89761 q^{81} + 24816 q^{82} - 2418 q^{83} + 29550 q^{85} - 42912 q^{86} + 296652 q^{87} - 9216 q^{88} - 14292 q^{89} + 14900 q^{90} + 29952 q^{92} - 94712 q^{93} + 94224 q^{94} + 28350 q^{95} - 2048 q^{96} + 103710 q^{97} - 142604 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 438x - 1536 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 6\nu - 290 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 6\beta _1 + 290 \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−18.3265
−3.64808
22.9746
4.00000 −19.3265 16.0000 25.0000 −77.3060 0 64.0000 130.513 100.000
1.2 4.00000 −4.64808 16.0000 25.0000 −18.5923 0 64.0000 −221.395 100.000
1.3 4.00000 21.9746 16.0000 25.0000 87.8983 0 64.0000 239.882 100.000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(-1\)
\(7\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 490.6.a.x 3
7.b odd 2 1 490.6.a.y yes 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
490.6.a.x 3 1.a even 1 1 trivial
490.6.a.y yes 3 7.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{3} + 2T_{3}^{2} - 437T_{3} - 1974 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(490))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 4)^{3} \) Copy content Toggle raw display
$3$ \( T^{3} + 2 T^{2} + \cdots - 1974 \) Copy content Toggle raw display
$5$ \( (T - 25)^{3} \) Copy content Toggle raw display
$7$ \( T^{3} \) Copy content Toggle raw display
$11$ \( T^{3} + 144 T^{2} + \cdots + 36714100 \) Copy content Toggle raw display
$13$ \( T^{3} - 288 T^{2} + \cdots - 27112106 \) Copy content Toggle raw display
$17$ \( T^{3} + \cdots + 1725187024 \) Copy content Toggle raw display
$19$ \( T^{3} - 1134 T^{2} + \cdots + 549437112 \) Copy content Toggle raw display
$23$ \( T^{3} - 1872 T^{2} + \cdots - 511879424 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots - 298814968674 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots - 131675935312 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots + 843065971840 \) Copy content Toggle raw display
$41$ \( T^{3} - 6204 T^{2} + \cdots - 329347312 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots + 734044145936 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots + 144830063108 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots + 3065842096760 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots - 18977297698072 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots + 232565751040 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots - 134174283407600 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots - 506529050112 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots - 133474914210928 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots - 40492333854100 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots + 265902053984 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots - 346860567680000 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots + 364270677687000 \) Copy content Toggle raw display
show more
show less