Properties

Label 51.8.a.b
Level $51$
Weight $8$
Character orbit 51.a
Self dual yes
Analytic conductor $15.932$
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] = [51,8,Mod(1,51)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(51, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("51.1");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 51 = 3 \cdot 17 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 51.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: \(15.9316362997\)
Analytic rank: \(1\)
Dimension: \(3\)
Coefficient field: 3.3.1514860.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 300x + 1512 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 2\cdot 3 \)
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.

\(f(q)\) \(=\) \( q + ( - \beta_1 - 2) q^{2} - 27 q^{3} + (\beta_{2} - 2 \beta_1 + 78) q^{4} + ( - \beta_{2} + 8 \beta_1 - 149) q^{5} + (27 \beta_1 + 54) q^{6} + ( - 6 \beta_{2} - 26 \beta_1 + 280) q^{7} + ( - 7 \beta_{2} - 14 \beta_1 + 602) q^{8} + 729 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_1 - 2) q^{2} - 27 q^{3} + (\beta_{2} - 2 \beta_1 + 78) q^{4} + ( - \beta_{2} + 8 \beta_1 - 149) q^{5} + (27 \beta_1 + 54) q^{6} + ( - 6 \beta_{2} - 26 \beta_1 + 280) q^{7} + ( - 7 \beta_{2} - 14 \beta_1 + 602) q^{8} + 729 q^{9} + (\beta_{2} + 237 \beta_1 - 1416) q^{10} + (25 \beta_{2} + 320 \beta_1 + 7) q^{11} + ( - 27 \beta_{2} + 54 \beta_1 - 2106) q^{12} + (11 \beta_{2} + 566 \beta_1 - 3111) q^{13} + (80 \beta_{2} - 48 \beta_1 + 4104) q^{14} + (27 \beta_{2} - 216 \beta_1 + 4023) q^{15} + ( - 51 \beta_{2} - 10 \beta_1 - 9046) q^{16} + 4913 q^{17} + ( - 729 \beta_1 - 1458) q^{18} + ( - 25 \beta_{2} + 286 \beta_1 - 17237) q^{19} + ( - 118 \beta_{2} + 1284 \beta_1 - 25872) q^{20} + (162 \beta_{2} + 702 \beta_1 - 7560) q^{21} + ( - 545 \beta_{2} - 127 \beta_1 - 62204) q^{22} + (365 \beta_{2} - 904 \beta_1 + 10759) q^{23} + (189 \beta_{2} + 378 \beta_1 - 16254) q^{24} + (195 \beta_{2} - 3370 \beta_1 - 31390) q^{25} + ( - 665 \beta_{2} + 4759 \beta_1 - 107032) q^{26} - 19683 q^{27} + (96 \beta_{2} - 5448 \beta_1 - 26512) q^{28} + (116 \beta_{2} - 10328 \beta_1 + 53858) q^{29} + ( - 27 \beta_{2} - 6399 \beta_1 + 38232) q^{30} + ( - 854 \beta_{2} - 8952 \beta_1 - 49402) q^{31} + (1365 \beta_{2} + 13654 \beta_1 - 61942) q^{32} + ( - 675 \beta_{2} - 8640 \beta_1 - 189) q^{33} + ( - 4913 \beta_1 - 9826) q^{34} + ( - 78 \beta_{2} + 7894 \beta_1 - 21352) q^{35} + (729 \beta_{2} - 1458 \beta_1 + 56862) q^{36} + (4542 \beta_{2} - 2372 \beta_1 + 51028) q^{37} + ( - 61 \beta_{2} + 19781 \beta_1 - 25748) q^{38} + ( - 297 \beta_{2} - 15282 \beta_1 + 83997) q^{39} + ( - 350 \beta_{2} + 7280 \beta_1 - 37940) q^{40} + ( - 5851 \beta_{2} + 11920 \beta_1 - 116023) q^{41} + ( - 2160 \beta_{2} + 1296 \beta_1 - 110808) q^{42} + (1793 \beta_{2} + 18194 \beta_1 - 413523) q^{43} + (1832 \beta_{2} + 51256 \beta_1 + 95756) q^{44} + ( - 729 \beta_{2} + 5832 \beta_1 - 108621) q^{45} + ( - 2381 \beta_{2} - 34815 \beta_1 + 196860) q^{46} + ( - 656 \beta_{2} + 2798 \beta_1 + 254314) q^{47} + (1377 \beta_{2} + 270 \beta_1 + 244242) q^{48} + ( - 2480 \beta_{2} + 9440 \beta_1 - 277799) q^{49} + (1615 \beta_{2} + 6990 \beta_1 + 762630) q^{50} - 132651 q^{51} + ( - 182 \beta_{2} + 90860 \beta_1 - 414216) q^{52} + (1226 \beta_{2} - 15494 \beta_1 + 670154) q^{53} + (19683 \beta_1 + 39366) q^{54} + ( - 637 \beta_{2} - 77054 \beta_1 + 276887) q^{55} + ( - 5656 \beta_{2} + 5488 \beta_1 + 637616) q^{56} + (675 \beta_{2} - 7722 \beta_1 + 465399) q^{57} + (9284 \beta_{2} - 101666 \beta_1 + 1989908) q^{58} + (4598 \beta_{2} + 7612 \beta_1 + 355178) q^{59} + (3186 \beta_{2} - 34668 \beta_1 + 698544) q^{60} + (5228 \beta_{2} - 26462 \beta_1 - 335576) q^{61} + (16638 \beta_{2} + 61418 \beta_1 + 1823416) q^{62} + ( - 4374 \beta_{2} - 18954 \beta_1 + 204120) q^{63} + ( - 19411 \beta_{2} + 41398 \beta_1 - 1342566) q^{64} + (3259 \beta_{2} - 166392 \beta_1 + 1314621) q^{65} + (14715 \beta_{2} + 3429 \beta_1 + 1679508) q^{66} + ( - 13532 \beta_{2} - 18996 \beta_1 - 1928500) q^{67} + (4913 \beta_{2} - 9826 \beta_1 + 383214) q^{68} + ( - 9855 \beta_{2} + 24408 \beta_1 - 290493) q^{69} + ( - 7192 \beta_{2} + 57296 \beta_1 - 1559528) q^{70} + (4632 \beta_{2} - 29044 \beta_1 - 2218556) q^{71} + ( - 5103 \beta_{2} - 10206 \beta_1 + 438858) q^{72} + ( - 8694 \beta_{2} - 52222 \beta_1 - 3801618) q^{73} + ( - 38506 \beta_{2} - 314868 \beta_1 + 822204) q^{74} + ( - 5265 \beta_{2} + 90990 \beta_1 + 847530) q^{75} + ( - 16032 \beta_{2} + 71680 \beta_1 - 1743908) q^{76} + ( - 11102 \beta_{2} - 48682 \beta_1 - 2932520) q^{77} + (17955 \beta_{2} - 128493 \beta_1 + 2889864) q^{78} + (43502 \beta_{2} + 15852 \beta_1 - 305986) q^{79} + (10974 \beta_{2} - 77692 \beta_1 + 1882636) q^{80} + 531441 q^{81} + (40739 \beta_{2} + 491359 \beta_1 - 2749192) q^{82} + (10748 \beta_{2} + 83406 \beta_1 - 943926) q^{83} + ( - 2592 \beta_{2} + 147096 \beta_1 + 715824) q^{84} + ( - 4913 \beta_{2} + 39304 \beta_1 - 732037) q^{85} + ( - 34331 \beta_{2} + 385891 \beta_1 - 2672428) q^{86} + ( - 3132 \beta_{2} + 278856 \beta_1 - 1454166) q^{87} + (2016 \beta_{2} + 22932 \beta_1 - 2403576) q^{88} + (19608 \beta_{2} - 463142 \beta_1 + 796976) q^{89} + (729 \beta_{2} + 172773 \beta_1 - 1032264) q^{90} + ( - 15114 \beta_{2} + 102066 \beta_1 - 4145384) q^{91} + (9524 \beta_{2} - 87072 \beta_1 + 5028420) q^{92} + (23058 \beta_{2} + 241704 \beta_1 + 1333854) q^{93} + (3106 \beta_{2} - 206386 \beta_1 - 1138112) q^{94} + (18473 \beta_{2} - 214104 \beta_1 + 3329067) q^{95} + ( - 36855 \beta_{2} - 368658 \beta_1 + 1672434) q^{96} + (50836 \beta_{2} + 268154 \beta_1 - 701364) q^{97} + (12880 \beta_{2} + 454439 \beta_1 - 1594322) q^{98} + (18225 \beta_{2} + 233280 \beta_1 + 5103) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q - 7 q^{2} - 81 q^{3} + 233 q^{4} - 440 q^{5} + 189 q^{6} + 808 q^{7} + 1785 q^{8} + 2187 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q - 7 q^{2} - 81 q^{3} + 233 q^{4} - 440 q^{5} + 189 q^{6} + 808 q^{7} + 1785 q^{8} + 2187 q^{9} - 4010 q^{10} + 366 q^{11} - 6291 q^{12} - 8756 q^{13} + 12344 q^{14} + 11880 q^{15} - 27199 q^{16} + 14739 q^{17} - 5103 q^{18} - 51450 q^{19} - 76450 q^{20} - 21816 q^{21} - 187284 q^{22} + 31738 q^{23} - 48195 q^{24} - 97345 q^{25} - 317002 q^{26} - 59049 q^{27} - 84888 q^{28} + 151362 q^{29} + 108270 q^{30} - 158012 q^{31} - 170807 q^{32} - 9882 q^{33} - 34391 q^{34} - 56240 q^{35} + 169857 q^{36} + 155254 q^{37} - 57524 q^{38} + 236412 q^{39} - 106890 q^{40} - 342000 q^{41} - 333288 q^{42} - 1220582 q^{43} + 340356 q^{44} - 320760 q^{45} + 553384 q^{46} + 765084 q^{47} + 734373 q^{48} - 826437 q^{49} + 2296495 q^{50} - 397953 q^{51} - 1151970 q^{52} + 1996194 q^{53} + 137781 q^{54} + 752970 q^{55} + 1912680 q^{56} + 1389150 q^{57} + 5877342 q^{58} + 1077744 q^{59} + 2064150 q^{60} - 1027962 q^{61} + 5548304 q^{62} + 589032 q^{63} - 4005711 q^{64} + 3780730 q^{65} + 5056668 q^{66} - 5818028 q^{67} + 1144729 q^{68} - 856926 q^{69} - 4628480 q^{70} - 6680080 q^{71} + 1301265 q^{72} - 11465770 q^{73} + 2113238 q^{74} + 2628315 q^{75} - 5176076 q^{76} - 8857344 q^{77} + 8559054 q^{78} - 858604 q^{79} + 5581190 q^{80} + 1594323 q^{81} - 7715478 q^{82} - 2737624 q^{83} + 2291976 q^{84} - 2161720 q^{85} - 7665724 q^{86} - 4086774 q^{87} - 7185780 q^{88} + 1947394 q^{89} - 2923290 q^{90} - 12349200 q^{91} + 15007712 q^{92} + 4266324 q^{93} - 3617616 q^{94} + 9791570 q^{95} + 4611789 q^{96} - 1785102 q^{97} - 4315647 q^{98} + 266814 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 300x + 1512 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + 6\nu - 202 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - 6\beta _1 + 202 \) 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
14.4988
5.49149
−18.9902
−16.4988 −27.0000 144.209 −128.216 445.466 −668.207 −267.428 729.000 2115.41
1.2 −7.49149 −27.0000 −71.8775 33.8265 202.270 970.589 1497.38 729.000 −253.411
1.3 16.9902 −27.0000 160.669 −345.610 −458.737 505.618 555.047 729.000 −5872.00
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(1\)
\(17\) \(-1\)

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 51.8.a.b 3
3.b odd 2 1 153.8.a.d 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
51.8.a.b 3 1.a even 1 1 trivial
153.8.a.d 3 3.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{3} + 7T_{2}^{2} - 284T_{2} - 2100 \) acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(51))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} + 7 T^{2} + \cdots - 2100 \) Copy content Toggle raw display
$3$ \( (T + 27)^{3} \) Copy content Toggle raw display
$5$ \( T^{3} + 440 T^{2} + \cdots - 1498950 \) Copy content Toggle raw display
$7$ \( T^{3} - 808 T^{2} + \cdots + 327920512 \) Copy content Toggle raw display
$11$ \( T^{3} + \cdots - 59443640748 \) Copy content Toggle raw display
$13$ \( T^{3} + \cdots - 125687205062 \) Copy content Toggle raw display
$17$ \( (T - 4913)^{3} \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots + 4487084034916 \) Copy content Toggle raw display
$23$ \( T^{3} + \cdots + 64362267945912 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots - 410683043347704 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots + 430651093577152 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots + 79\!\cdots\!28 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots - 23\!\cdots\!82 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots - 80\!\cdots\!16 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots - 14\!\cdots\!32 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots - 23\!\cdots\!52 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 90\!\cdots\!60 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots - 10\!\cdots\!00 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots + 11\!\cdots\!80 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots + 96\!\cdots\!88 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots + 49\!\cdots\!76 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots + 34\!\cdots\!40 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots - 52\!\cdots\!68 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots - 18\!\cdots\!20 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots - 17\!\cdots\!20 \) Copy content Toggle raw display
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