Properties

Label 930.4.a.h
Level $930$
Weight $4$
Character orbit 930.a
Self dual yes
Analytic conductor $54.872$
Analytic rank $1$
Dimension $3$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [930,4,Mod(1,930)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(930, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("930.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 930 = 2 \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 930.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: \(54.8717763053\)
Analytic rank: \(1\)
Dimension: \(3\)
Coefficient field: 3.3.4692.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 17x - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{3} \)
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.

\(f(q)\) \(=\) \( q + 2 q^{2} - 3 q^{3} + 4 q^{4} - 5 q^{5} - 6 q^{6} + ( - \beta_{2} - \beta_1 - 3) q^{7} + 8 q^{8} + 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 q^{2} - 3 q^{3} + 4 q^{4} - 5 q^{5} - 6 q^{6} + ( - \beta_{2} - \beta_1 - 3) q^{7} + 8 q^{8} + 9 q^{9} - 10 q^{10} + (2 \beta_1 - 6) q^{11} - 12 q^{12} + (5 \beta_{2} + \beta_1 - 7) q^{13} + ( - 2 \beta_{2} - 2 \beta_1 - 6) q^{14} + 15 q^{15} + 16 q^{16} + ( - 4 \beta_{2} + \beta_1 + 39) q^{17} + 18 q^{18} + (6 \beta_{2} - 4 \beta_1 + 28) q^{19} - 20 q^{20} + (3 \beta_{2} + 3 \beta_1 + 9) q^{21} + (4 \beta_1 - 12) q^{22} + ( - 10 \beta_{2} + 5 \beta_1 + 1) q^{23} - 24 q^{24} + 25 q^{25} + (10 \beta_{2} + 2 \beta_1 - 14) q^{26} - 27 q^{27} + ( - 4 \beta_{2} - 4 \beta_1 - 12) q^{28} + (7 \beta_{2} + 2 \beta_1 - 82) q^{29} + 30 q^{30} - 31 q^{31} + 32 q^{32} + ( - 6 \beta_1 + 18) q^{33} + ( - 8 \beta_{2} + 2 \beta_1 + 78) q^{34} + (5 \beta_{2} + 5 \beta_1 + 15) q^{35} + 36 q^{36} + (25 \beta_{2} - \beta_1 - 121) q^{37} + (12 \beta_{2} - 8 \beta_1 + 56) q^{38} + ( - 15 \beta_{2} - 3 \beta_1 + 21) q^{39} - 40 q^{40} + ( - 48 \beta_{2} - 12 \beta_1 - 138) q^{41} + (6 \beta_{2} + 6 \beta_1 + 18) q^{42} + (6 \beta_{2} - 20 \beta_1 - 156) q^{43} + (8 \beta_1 - 24) q^{44} - 45 q^{45} + ( - 20 \beta_{2} + 10 \beta_1 + 2) q^{46} + (30 \beta_{2} + 27 \beta_1 - 153) q^{47} - 48 q^{48} + (8 \beta_{2} + 17 \beta_1 - 142) q^{49} + 50 q^{50} + (12 \beta_{2} - 3 \beta_1 - 117) q^{51} + (20 \beta_{2} + 4 \beta_1 - 28) q^{52} + ( - 12 \beta_{2} - 21 \beta_1 - 35) q^{53} - 54 q^{54} + ( - 10 \beta_1 + 30) q^{55} + ( - 8 \beta_{2} - 8 \beta_1 - 24) q^{56} + ( - 18 \beta_{2} + 12 \beta_1 - 84) q^{57} + (14 \beta_{2} + 4 \beta_1 - 164) q^{58} + (5 \beta_{2} + 6 \beta_1 - 172) q^{59} + 60 q^{60} + ( - 70 \beta_{2} - 8 \beta_1 - 214) q^{61} - 62 q^{62} + ( - 9 \beta_{2} - 9 \beta_1 - 27) q^{63} + 64 q^{64} + ( - 25 \beta_{2} - 5 \beta_1 + 35) q^{65} + ( - 12 \beta_1 + 36) q^{66} + ( - 5 \beta_{2} - 3 \beta_1 - 285) q^{67} + ( - 16 \beta_{2} + 4 \beta_1 + 156) q^{68} + (30 \beta_{2} - 15 \beta_1 - 3) q^{69} + (10 \beta_{2} + 10 \beta_1 + 30) q^{70} + (49 \beta_{2} + 30 \beta_1 - 340) q^{71} + 72 q^{72} + ( - 65 \beta_{2} - 5 \beta_1 + 135) q^{73} + (50 \beta_{2} - 2 \beta_1 - 242) q^{74} - 75 q^{75} + (24 \beta_{2} - 16 \beta_1 + 112) q^{76} + ( - 16 \beta_{2} - 20 \beta_1 - 292) q^{77} + ( - 30 \beta_{2} - 6 \beta_1 + 42) q^{78} + ( - 42 \beta_{2} - 67 \beta_1 + 265) q^{79} - 80 q^{80} + 81 q^{81} + ( - 96 \beta_{2} - 24 \beta_1 - 276) q^{82} + (78 \beta_{2} + 29 \beta_1 + 221) q^{83} + (12 \beta_{2} + 12 \beta_1 + 36) q^{84} + (20 \beta_{2} - 5 \beta_1 - 195) q^{85} + (12 \beta_{2} - 40 \beta_1 - 312) q^{86} + ( - 21 \beta_{2} - 6 \beta_1 + 246) q^{87} + (16 \beta_1 - 48) q^{88} + (71 \beta_{2} - 30 \beta_1 - 794) q^{89} - 90 q^{90} + (26 \beta_{2} - 11 \beta_1 - 319) q^{91} + ( - 40 \beta_{2} + 20 \beta_1 + 4) q^{92} + 93 q^{93} + (60 \beta_{2} + 54 \beta_1 - 306) q^{94} + ( - 30 \beta_{2} + 20 \beta_1 - 140) q^{95} - 96 q^{96} + (74 \beta_{2} + 42 \beta_1 - 496) q^{97} + (16 \beta_{2} + 34 \beta_1 - 284) q^{98} + (18 \beta_1 - 54) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 6 q^{2} - 9 q^{3} + 12 q^{4} - 15 q^{5} - 18 q^{6} - 10 q^{7} + 24 q^{8} + 27 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q + 6 q^{2} - 9 q^{3} + 12 q^{4} - 15 q^{5} - 18 q^{6} - 10 q^{7} + 24 q^{8} + 27 q^{9} - 30 q^{10} - 16 q^{11} - 36 q^{12} - 20 q^{13} - 20 q^{14} + 45 q^{15} + 48 q^{16} + 118 q^{17} + 54 q^{18} + 80 q^{19} - 60 q^{20} + 30 q^{21} - 32 q^{22} + 8 q^{23} - 72 q^{24} + 75 q^{25} - 40 q^{26} - 81 q^{27} - 40 q^{28} - 244 q^{29} + 90 q^{30} - 93 q^{31} + 96 q^{32} + 48 q^{33} + 236 q^{34} + 50 q^{35} + 108 q^{36} - 364 q^{37} + 160 q^{38} + 60 q^{39} - 120 q^{40} - 426 q^{41} + 60 q^{42} - 488 q^{43} - 64 q^{44} - 135 q^{45} + 16 q^{46} - 432 q^{47} - 144 q^{48} - 409 q^{49} + 150 q^{50} - 354 q^{51} - 80 q^{52} - 126 q^{53} - 162 q^{54} + 80 q^{55} - 80 q^{56} - 240 q^{57} - 488 q^{58} - 510 q^{59} + 180 q^{60} - 650 q^{61} - 186 q^{62} - 90 q^{63} + 192 q^{64} + 100 q^{65} + 96 q^{66} - 858 q^{67} + 472 q^{68} - 24 q^{69} + 100 q^{70} - 990 q^{71} + 216 q^{72} + 400 q^{73} - 728 q^{74} - 225 q^{75} + 320 q^{76} - 896 q^{77} + 120 q^{78} + 728 q^{79} - 240 q^{80} + 243 q^{81} - 852 q^{82} + 692 q^{83} + 120 q^{84} - 590 q^{85} - 976 q^{86} + 732 q^{87} - 128 q^{88} - 2412 q^{89} - 270 q^{90} - 968 q^{91} + 32 q^{92} + 279 q^{93} - 864 q^{94} - 400 q^{95} - 288 q^{96} - 1446 q^{97} - 818 q^{98} - 144 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 17x - 3 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 4\nu - 1 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 2\nu - 11 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{2} + \beta _1 + 23 ) / 2 \) 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
4.72899
−3.55031
−0.178684
2.00000 −3.00000 4.00000 −5.00000 −6.00000 −22.8214 8.00000 9.00000 −10.0000
1.2 2.00000 −3.00000 4.00000 −5.00000 −6.00000 3.49592 8.00000 9.00000 −10.0000
1.3 2.00000 −3.00000 4.00000 −5.00000 −6.00000 9.32544 8.00000 9.00000 −10.0000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(1\)
\(5\) \(1\)
\(31\) \(1\)

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 930.4.a.h 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.4.a.h 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{3} + 10T_{7}^{2} - 260T_{7} + 744 \) acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(930))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 2)^{3} \) Copy content Toggle raw display
$3$ \( (T + 3)^{3} \) Copy content Toggle raw display
$5$ \( (T + 5)^{3} \) Copy content Toggle raw display
$7$ \( T^{3} + 10 T^{2} + \cdots + 744 \) Copy content Toggle raw display
$11$ \( T^{3} + 16 T^{2} + \cdots - 10240 \) Copy content Toggle raw display
$13$ \( T^{3} + 20 T^{2} + \cdots + 26928 \) Copy content Toggle raw display
$17$ \( T^{3} - 118 T^{2} + \cdots + 43320 \) Copy content Toggle raw display
$19$ \( T^{3} - 80 T^{2} + \cdots - 130944 \) Copy content Toggle raw display
$23$ \( T^{3} - 8 T^{2} + \cdots + 1142144 \) Copy content Toggle raw display
$29$ \( T^{3} + 244 T^{2} + \cdots + 269840 \) Copy content Toggle raw display
$31$ \( (T + 31)^{3} \) Copy content Toggle raw display
$37$ \( T^{3} + 364 T^{2} + \cdots - 3925648 \) Copy content Toggle raw display
$41$ \( T^{3} + 426 T^{2} + \cdots - 65044296 \) Copy content Toggle raw display
$43$ \( T^{3} + 488 T^{2} + \cdots - 18667904 \) Copy content Toggle raw display
$47$ \( T^{3} + 432 T^{2} + \cdots - 60690816 \) Copy content Toggle raw display
$53$ \( T^{3} + 126 T^{2} + \cdots + 10014824 \) Copy content Toggle raw display
$59$ \( T^{3} + 510 T^{2} + \cdots + 2842328 \) Copy content Toggle raw display
$61$ \( T^{3} + 650 T^{2} + \cdots - 186803016 \) Copy content Toggle raw display
$67$ \( T^{3} + 858 T^{2} + \cdots + 22347944 \) Copy content Toggle raw display
$71$ \( T^{3} + 990 T^{2} + \cdots - 97935336 \) Copy content Toggle raw display
$73$ \( T^{3} - 400 T^{2} + \cdots - 23190000 \) Copy content Toggle raw display
$79$ \( T^{3} - 728 T^{2} + \cdots + 769393536 \) Copy content Toggle raw display
$83$ \( T^{3} - 692 T^{2} + \cdots + 267988800 \) Copy content Toggle raw display
$89$ \( T^{3} + 2412 T^{2} + \cdots - 501239664 \) Copy content Toggle raw display
$97$ \( T^{3} + 1446 T^{2} + \cdots - 263690872 \) Copy content Toggle raw display
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