Properties

Label 39.4.j.c
Level $39$
Weight $4$
Character orbit 39.j
Analytic conductor $2.301$
Analytic rank $0$
Dimension $10$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [39,4,Mod(4,39)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(39, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 1]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("39.4");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 39 = 3 \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 39.j (of order \(6\), degree \(2\), 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: \(2.30107449022\)
Analytic rank: \(0\)
Dimension: \(10\)
Relative dimension: \(5\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{10} + \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{10} + 70x^{8} + 1645x^{6} + 14700x^{4} + 44100x^{2} + 27648 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3^{2} \)
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 \(1,\beta_1,\ldots,\beta_{9}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{2} - 3 \beta_{2} q^{3} + (\beta_{5} - \beta_{4} - 6 \beta_{2} + 6) q^{4} + ( - \beta_{7} + \beta_{6} + 2 \beta_{2} - \beta_1 - 1) q^{5} + ( - 3 \beta_{3} + 3 \beta_1) q^{6} + ( - \beta_{9} + \beta_{8} + 2 \beta_{2} + 2) q^{7} + ( - \beta_{9} + \beta_{7} - \beta_{6} - 2 \beta_{5} + \beta_{4} + 7 \beta_1) q^{8} + (9 \beta_{2} - 9) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{2} - 3 \beta_{2} q^{3} + (\beta_{5} - \beta_{4} - 6 \beta_{2} + 6) q^{4} + ( - \beta_{7} + \beta_{6} + 2 \beta_{2} - \beta_1 - 1) q^{5} + ( - 3 \beta_{3} + 3 \beta_1) q^{6} + ( - \beta_{9} + \beta_{8} + 2 \beta_{2} + 2) q^{7} + ( - \beta_{9} + \beta_{7} - \beta_{6} - 2 \beta_{5} + \beta_{4} + 7 \beta_1) q^{8} + (9 \beta_{2} - 9) q^{9} + (2 \beta_{9} - \beta_{8} - \beta_{7} + 2 \beta_{6} - \beta_{5} + 3 \beta_{3} + 8 \beta_{2} - 6 \beta_1) q^{10} + ( - \beta_{8} - \beta_{7} + 2 \beta_{5} - 4 \beta_{4} - 5 \beta_{3} - 4 \beta_{2} + 8) q^{11} + (3 \beta_{4} - 18) q^{12} + (\beta_{8} + 2 \beta_{7} - \beta_{6} - 2 \beta_{5} - 3 \beta_{3} + 17 \beta_{2} - 3 \beta_1 - 6) q^{13} + ( - 2 \beta_{7} - 2 \beta_{6} + 3 \beta_{4} + 2 \beta_{3} - \beta_1 - 6) q^{14} + (3 \beta_{7} + 3 \beta_{3} - 3 \beta_{2} + 6) q^{15} + (2 \beta_{7} - 4 \beta_{6} + 5 \beta_{5} + 6 \beta_{3} - 50 \beta_{2} - 12 \beta_1) q^{16} + (\beta_{9} + \beta_{8} + 4 \beta_{3} - 21 \beta_{2} + 4 \beta_1 + 21) q^{17} - 9 \beta_1 q^{18} + (\beta_{9} - \beta_{8} + 3 \beta_{6} + 4 \beta_{5} + 4 \beta_{4} - 9 \beta_{3} + 12 \beta_{2} + \cdots + 12) q^{19}+ \cdots + (9 \beta_{9} + 9 \beta_{7} - 9 \beta_{6} - 36 \beta_{5} + 18 \beta_{4} + 72 \beta_{2} + \cdots - 36) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 10 q - 15 q^{3} + 30 q^{4} + 30 q^{7} - 45 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 10 q - 15 q^{3} + 30 q^{4} + 30 q^{7} - 45 q^{9} + 40 q^{10} + 60 q^{11} - 180 q^{12} + 25 q^{13} - 60 q^{14} + 45 q^{15} - 250 q^{16} + 105 q^{17} + 180 q^{19} + 510 q^{20} - 290 q^{22} - 60 q^{23} - 960 q^{25} - 30 q^{26} + 270 q^{27} + 150 q^{28} - 495 q^{29} + 120 q^{30} + 1440 q^{32} - 180 q^{33} + 60 q^{35} + 270 q^{36} - 405 q^{37} - 1380 q^{38} + 345 q^{39} + 2000 q^{40} + 1065 q^{41} + 90 q^{42} - 370 q^{43} - 135 q^{45} - 390 q^{46} - 750 q^{48} + 775 q^{49} - 4320 q^{50} - 630 q^{51} + 2940 q^{52} + 330 q^{53} - 260 q^{55} - 2670 q^{56} + 2040 q^{58} + 780 q^{59} - 1375 q^{61} - 780 q^{62} - 270 q^{63} - 3140 q^{64} + 1605 q^{65} + 1740 q^{66} + 1590 q^{67} - 600 q^{68} - 180 q^{69} + 1620 q^{71} + 2190 q^{74} + 1440 q^{75} - 5190 q^{76} - 4320 q^{77} + 2340 q^{78} + 1100 q^{79} + 8430 q^{80} - 405 q^{81} - 2390 q^{82} - 450 q^{84} + 525 q^{85} - 1485 q^{87} + 3170 q^{88} + 2040 q^{89} - 720 q^{90} + 4770 q^{91} - 1740 q^{92} - 990 q^{93} - 3230 q^{94} - 1380 q^{95} - 3750 q^{97} + 180 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{10} + 70x^{8} + 1645x^{6} + 14700x^{4} + 44100x^{2} + 27648 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + 35\nu^{3} + 210\nu + 96 ) / 192 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{6} + 35\nu^{4} + 210\nu^{2} + 96\nu ) / 192 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{2} + 14 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{7} + 49\nu^{5} + 700\nu^{3} + 96\nu^{2} + 2940\nu + 1344 ) / 192 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{9} + 64\nu^{7} + 18\nu^{6} + 1309\nu^{5} + 918\nu^{4} + 9030\nu^{3} + 12132\nu^{2} + 15912\nu + 24192 ) / 1152 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{9} - 64\nu^{7} + 18\nu^{6} - 1309\nu^{5} + 918\nu^{4} - 9030\nu^{3} + 12132\nu^{2} - 15912\nu + 24192 ) / 1152 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - \nu^{9} + 6 \nu^{8} - 70 \nu^{7} + 366 \nu^{6} - 1603 \nu^{5} + 7008 \nu^{4} - 12654 \nu^{3} + 42840 \nu^{2} - 20304 \nu + 48384 ) / 1152 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( -\nu^{9} - 70\nu^{7} - 1603\nu^{5} - 12654\nu^{3} - 20304\nu ) / 576 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{4} - 14 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{9} - \beta_{7} + \beta_{6} + 2\beta_{5} - \beta_{4} - 23\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{7} + 2\beta_{6} - 29\beta_{4} - 12\beta_{3} + 6\beta _1 + 322 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -35\beta_{9} + 35\beta_{7} - 35\beta_{6} - 70\beta_{5} + 35\beta_{4} + 192\beta_{2} + 595\beta _1 - 96 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -70\beta_{7} - 70\beta_{6} + 805\beta_{4} + 612\beta_{3} - 306\beta _1 - 8330 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 1015 \beta_{9} - 1015 \beta_{7} + 1015 \beta_{6} + 2222 \beta_{5} - 1111 \beta_{4} - 9408 \beta_{2} - 15995 \beta _1 + 4704 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( - 96 \beta_{9} + 192 \beta_{8} + 1934 \beta_{7} + 1934 \beta_{6} - 22373 \beta_{4} - 23316 \beta_{3} + 11658 \beta _1 + 223930 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( - 28175 \beta_{9} + 27599 \beta_{7} - 27599 \beta_{6} - 68638 \beta_{5} + 34319 \beta_{4} + 350784 \beta_{2} + 436603 \beta _1 - 175392 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/39\mathbb{Z}\right)^\times\).

\(n\) \(14\) \(28\)
\(\chi(n)\) \(1\) \(1 - \beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
4.1
5.36472i
2.04224i
0.917374i
3.27897i
5.04537i
5.36472i
2.04224i
0.917374i
3.27897i
5.04537i
−4.64599 2.68236i −1.50000 + 2.59808i 10.3901 + 17.9962i 2.69631i 13.9380 8.04709i 13.1657 7.60123i 68.5626i −4.50000 7.79423i −7.23249 + 12.5270i
4.2 −1.76863 1.02112i −1.50000 + 2.59808i −1.91462 3.31622i 12.0825i 5.30590 3.06336i −25.7533 + 14.8686i 24.1582i −4.50000 7.79423i 12.3377 21.3694i
4.3 −0.794469 0.458687i −1.50000 + 2.59808i −3.57921 6.19938i 15.4704i 2.38341 1.37606i 17.8257 10.2917i 13.9059i −4.50000 7.79423i −7.09608 + 12.2908i
4.4 2.83967 + 1.63949i −1.50000 + 2.59808i 1.37583 + 2.38302i 17.5414i −8.51902 + 4.91846i 23.1228 13.3499i 17.2091i −4.50000 7.79423i −28.7589 + 49.8119i
4.5 4.36942 + 2.52268i −1.50000 + 2.59808i 8.72787 + 15.1171i 20.1174i −13.1082 + 7.56805i −13.3609 + 7.71395i 47.7076i −4.50000 7.79423i 50.7498 87.9013i
10.1 −4.64599 + 2.68236i −1.50000 2.59808i 10.3901 17.9962i 2.69631i 13.9380 + 8.04709i 13.1657 + 7.60123i 68.5626i −4.50000 + 7.79423i −7.23249 12.5270i
10.2 −1.76863 + 1.02112i −1.50000 2.59808i −1.91462 + 3.31622i 12.0825i 5.30590 + 3.06336i −25.7533 14.8686i 24.1582i −4.50000 + 7.79423i 12.3377 + 21.3694i
10.3 −0.794469 + 0.458687i −1.50000 2.59808i −3.57921 + 6.19938i 15.4704i 2.38341 + 1.37606i 17.8257 + 10.2917i 13.9059i −4.50000 + 7.79423i −7.09608 12.2908i
10.4 2.83967 1.63949i −1.50000 2.59808i 1.37583 2.38302i 17.5414i −8.51902 4.91846i 23.1228 + 13.3499i 17.2091i −4.50000 + 7.79423i −28.7589 49.8119i
10.5 4.36942 2.52268i −1.50000 2.59808i 8.72787 15.1171i 20.1174i −13.1082 7.56805i −13.3609 7.71395i 47.7076i −4.50000 + 7.79423i 50.7498 + 87.9013i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 4.5
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.e even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 39.4.j.c 10
3.b odd 2 1 117.4.q.e 10
4.b odd 2 1 624.4.bv.h 10
13.c even 3 1 507.4.b.i 10
13.e even 6 1 inner 39.4.j.c 10
13.e even 6 1 507.4.b.i 10
13.f odd 12 2 507.4.a.r 10
39.h odd 6 1 117.4.q.e 10
39.k even 12 2 1521.4.a.bk 10
52.i odd 6 1 624.4.bv.h 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
39.4.j.c 10 1.a even 1 1 trivial
39.4.j.c 10 13.e even 6 1 inner
117.4.q.e 10 3.b odd 2 1
117.4.q.e 10 39.h odd 6 1
507.4.a.r 10 13.f odd 12 2
507.4.b.i 10 13.c even 3 1
507.4.b.i 10 13.e even 6 1
624.4.bv.h 10 4.b odd 2 1
624.4.bv.h 10 52.i odd 6 1
1521.4.a.bk 10 39.k even 12 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{10} - 35T_{2}^{8} + 1015T_{2}^{6} - 288T_{2}^{5} - 7350T_{2}^{4} + 44100T_{2}^{2} + 60480T_{2} + 27648 \) acting on \(S_{4}^{\mathrm{new}}(39, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{10} - 35 T^{8} + 1015 T^{6} + \cdots + 27648 \) Copy content Toggle raw display
$3$ \( (T^{2} + 3 T + 9)^{5} \) Copy content Toggle raw display
$5$ \( T^{10} + 1105 T^{8} + \cdots + 31632011568 \) Copy content Toggle raw display
$7$ \( T^{10} - 30 T^{9} + \cdots + 14692478786352 \) Copy content Toggle raw display
$11$ \( T^{10} - 60 T^{9} + \cdots + 50\!\cdots\!32 \) Copy content Toggle raw display
$13$ \( T^{10} - 25 T^{9} + \cdots + 51\!\cdots\!57 \) Copy content Toggle raw display
$17$ \( T^{10} + \cdots + 332127005819904 \) Copy content Toggle raw display
$19$ \( T^{10} - 180 T^{9} + \cdots + 19\!\cdots\!68 \) Copy content Toggle raw display
$23$ \( T^{10} + 60 T^{9} + \cdots + 66\!\cdots\!04 \) Copy content Toggle raw display
$29$ \( T^{10} + 495 T^{9} + \cdots + 18\!\cdots\!96 \) Copy content Toggle raw display
$31$ \( T^{10} + 116790 T^{8} + \cdots + 35\!\cdots\!00 \) Copy content Toggle raw display
$37$ \( T^{10} + 405 T^{9} + \cdots + 48\!\cdots\!32 \) Copy content Toggle raw display
$41$ \( T^{10} - 1065 T^{9} + \cdots + 36\!\cdots\!52 \) Copy content Toggle raw display
$43$ \( T^{10} + 370 T^{9} + \cdots + 51\!\cdots\!16 \) Copy content Toggle raw display
$47$ \( T^{10} + 181660 T^{8} + \cdots + 21\!\cdots\!28 \) Copy content Toggle raw display
$53$ \( (T^{5} - 165 T^{4} + \cdots - 46733997168)^{2} \) Copy content Toggle raw display
$59$ \( T^{10} - 780 T^{9} + \cdots + 41\!\cdots\!68 \) Copy content Toggle raw display
$61$ \( T^{10} + 1375 T^{9} + \cdots + 87\!\cdots\!25 \) Copy content Toggle raw display
$67$ \( T^{10} - 1590 T^{9} + \cdots + 13\!\cdots\!88 \) Copy content Toggle raw display
$71$ \( T^{10} - 1620 T^{9} + \cdots + 71\!\cdots\!00 \) Copy content Toggle raw display
$73$ \( T^{10} + 600615 T^{8} + \cdots + 20\!\cdots\!75 \) Copy content Toggle raw display
$79$ \( (T^{5} - 550 T^{4} + \cdots - 920208867136)^{2} \) Copy content Toggle raw display
$83$ \( T^{10} + 3406900 T^{8} + \cdots + 16\!\cdots\!68 \) Copy content Toggle raw display
$89$ \( T^{10} - 2040 T^{9} + \cdots + 28\!\cdots\!28 \) Copy content Toggle raw display
$97$ \( T^{10} + 3750 T^{9} + \cdots + 15\!\cdots\!68 \) Copy content Toggle raw display
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