Properties

Label 378.2.h
Level 378
Weight 2
Character orbit h
Rep. character \(\chi_{378}(289,\cdot)\)
Character field \(\Q(\zeta_{3})\)
Dimension 16
Newform subspaces 4
Sturm bound 144
Trace bound 2

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Defining parameters

Level: \( N \) = \( 378 = 2 \cdot 3^{3} \cdot 7 \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 378.h (of order \(3\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) = \( 63 \)
Character field: \(\Q(\zeta_{3})\)
Newform subspaces: \( 4 \)
Sturm bound: \(144\)
Trace bound: \(2\)
Distinguishing \(T_p\): \(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(378, [\chi])\).

Total New Old
Modular forms 168 16 152
Cusp forms 120 16 104
Eisenstein series 48 0 48

Trace form

\( 16q - 8q^{4} - 8q^{5} - 2q^{7} + O(q^{10}) \) \( 16q - 8q^{4} - 8q^{5} - 2q^{7} + 8q^{11} + 2q^{13} - 2q^{14} - 8q^{16} + 14q^{17} - 4q^{19} + 4q^{20} - 4q^{23} + 16q^{25} + 16q^{26} - 2q^{28} + 10q^{29} + 2q^{31} + 14q^{35} + 2q^{37} - 24q^{38} + 6q^{41} + 2q^{43} - 4q^{44} - 6q^{46} + 6q^{47} - 14q^{49} + 4q^{50} - 4q^{52} - 24q^{53} - 12q^{55} + 4q^{56} - 12q^{58} + 22q^{59} + 8q^{61} - 44q^{62} + 16q^{64} + 6q^{65} + 14q^{67} - 28q^{68} - 52q^{71} - 28q^{73} - 12q^{74} - 4q^{76} + 34q^{77} + 20q^{79} + 4q^{80} - 16q^{83} + 12q^{85} + 24q^{86} + 36q^{89} - 16q^{91} + 2q^{92} + 12q^{94} - 34q^{95} + 2q^{97} + 24q^{98} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(378, [\chi])\) into newform subspaces

Label Dim. \(A\) Field CM Traces $q$-expansion
\(a_2\) \(a_3\) \(a_5\) \(a_7\)
378.2.h.a \(2\) \(3.018\) \(\Q(\sqrt{-3}) \) None \(-1\) \(0\) \(-6\) \(5\) \(q+(-1+\zeta_{6})q^{2}-\zeta_{6}q^{4}-3q^{5}+(3+\cdots)q^{7}+\cdots\)
378.2.h.b \(2\) \(3.018\) \(\Q(\sqrt{-3}) \) None \(1\) \(0\) \(6\) \(-1\) \(q+(1-\zeta_{6})q^{2}-\zeta_{6}q^{4}+3q^{5}+(1-3\zeta_{6})q^{7}+\cdots\)
378.2.h.c \(6\) \(3.018\) 6.0.309123.1 None \(-3\) \(0\) \(2\) \(-4\) \(q+(-1+\beta _{4})q^{2}-\beta _{4}q^{4}-\beta _{3}q^{5}+(-1+\cdots)q^{7}+\cdots\)
378.2.h.d \(6\) \(3.018\) 6.0.309123.1 None \(3\) \(0\) \(-10\) \(-2\) \(q+\beta _{4}q^{2}+(-1+\beta _{4})q^{4}+(-2-\beta _{1}+\cdots)q^{5}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(378, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(378, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(126, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(189, [\chi])\)\(^{\oplus 2}\)

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ (\( 1 + T + T^{2} \))(\( 1 - T + T^{2} \))(\( ( 1 + T + T^{2} )^{3} \))(\( ( 1 - T + T^{2} )^{3} \))
$3$ 1
$5$ (\( ( 1 + 3 T + 5 T^{2} )^{2} \))(\( ( 1 - 3 T + 5 T^{2} )^{2} \))(\( ( 1 - T + 9 T^{2} - 13 T^{3} + 45 T^{4} - 25 T^{5} + 125 T^{6} )^{2} \))(\( ( 1 + 5 T + 19 T^{2} + 47 T^{3} + 95 T^{4} + 125 T^{5} + 125 T^{6} )^{2} \))
$7$ (\( 1 - 5 T + 7 T^{2} \))(\( 1 + T + 7 T^{2} \))(\( 1 + 4 T + 14 T^{2} + 55 T^{3} + 98 T^{4} + 196 T^{5} + 343 T^{6} \))(\( 1 + 2 T + 2 T^{2} - 19 T^{3} + 14 T^{4} + 98 T^{5} + 343 T^{6} \))
$11$ (\( ( 1 - 3 T + 11 T^{2} )^{2} \))(\( ( 1 - 3 T + 11 T^{2} )^{2} \))(\( ( 1 + T + 27 T^{2} + 25 T^{3} + 297 T^{4} + 121 T^{5} + 1331 T^{6} )^{2} \))(\( ( 1 + T + 7 T^{2} + 55 T^{3} + 77 T^{4} + 121 T^{5} + 1331 T^{6} )^{2} \))
$13$ (\( 1 - T - 12 T^{2} - 13 T^{3} + 169 T^{4} \))(\( ( 1 - 2 T + 13 T^{2} )( 1 + 7 T + 13 T^{2} ) \))(\( 1 - 8 T + 24 T^{2} - 42 T^{3} - 32 T^{4} + 1408 T^{5} - 7901 T^{6} + 18304 T^{7} - 5408 T^{8} - 92274 T^{9} + 685464 T^{10} - 2970344 T^{11} + 4826809 T^{12} \))(\( 1 + 2 T - 32 T^{2} - 26 T^{3} + 730 T^{4} + 230 T^{5} - 10729 T^{6} + 2990 T^{7} + 123370 T^{8} - 57122 T^{9} - 913952 T^{10} + 742586 T^{11} + 4826809 T^{12} \))
$17$ (\( 1 - 3 T - 8 T^{2} - 51 T^{3} + 289 T^{4} \))(\( 1 - 3 T - 8 T^{2} - 51 T^{3} + 289 T^{4} \))(\( 1 - 4 T - 23 T^{2} + 68 T^{3} + 410 T^{4} - 220 T^{5} - 8111 T^{6} - 3740 T^{7} + 118490 T^{8} + 334084 T^{9} - 1920983 T^{10} - 5679428 T^{11} + 24137569 T^{12} \))(\( 1 - 4 T + 9 T^{2} - 92 T^{3} + 58 T^{4} + 20 T^{5} + 5393 T^{6} + 340 T^{7} + 16762 T^{8} - 451996 T^{9} + 751689 T^{10} - 5679428 T^{11} + 24137569 T^{12} \))
$19$ (\( ( 1 - 8 T + 19 T^{2} )( 1 + T + 19 T^{2} ) \))(\( 1 + 5 T + 6 T^{2} + 95 T^{3} + 361 T^{4} \))(\( 1 + 3 T - 12 T^{2} - 67 T^{3} - 153 T^{4} + 54 T^{5} + 6315 T^{6} + 1026 T^{7} - 55233 T^{8} - 459553 T^{9} - 1563852 T^{10} + 7428297 T^{11} + 47045881 T^{12} \))(\( 1 + 3 T - 42 T^{2} - 61 T^{3} + 1311 T^{4} + 726 T^{5} - 27501 T^{6} + 13794 T^{7} + 473271 T^{8} - 418399 T^{9} - 5473482 T^{10} + 7428297 T^{11} + 47045881 T^{12} \))
$23$ (\( ( 1 - 9 T + 23 T^{2} )^{2} \))(\( ( 1 - 3 T + 23 T^{2} )^{2} \))(\( ( 1 + 7 T + 81 T^{2} + 325 T^{3} + 1863 T^{4} + 3703 T^{5} + 12167 T^{6} )^{2} \))(\( ( 1 + 7 T + 73 T^{2} + 319 T^{3} + 1679 T^{4} + 3703 T^{5} + 12167 T^{6} )^{2} \))
$29$ (\( 1 - 3 T - 20 T^{2} - 87 T^{3} + 841 T^{4} \))(\( 1 + 3 T - 20 T^{2} + 87 T^{3} + 841 T^{4} \))(\( 1 - 5 T + 4 T^{2} - 251 T^{3} + 197 T^{4} + 3418 T^{5} + 20293 T^{6} + 99122 T^{7} + 165677 T^{8} - 6121639 T^{9} + 2829124 T^{10} - 102555745 T^{11} + 594823321 T^{12} \))(\( 1 - 5 T - 30 T^{2} + 371 T^{3} - 185 T^{4} - 6020 T^{5} + 44357 T^{6} - 174580 T^{7} - 155585 T^{8} + 9048319 T^{9} - 21218430 T^{10} - 102555745 T^{11} + 594823321 T^{12} \))
$31$ (\( 1 + 8 T + 33 T^{2} + 248 T^{3} + 961 T^{4} \))(\( ( 1 - 11 T + 31 T^{2} )( 1 + 7 T + 31 T^{2} ) \))(\( 1 - 20 T + 186 T^{2} - 1398 T^{3} + 10342 T^{4} - 62234 T^{5} + 331987 T^{6} - 1929254 T^{7} + 9938662 T^{8} - 41647818 T^{9} + 171774906 T^{10} - 572583020 T^{11} + 887503681 T^{12} \))(\( 1 + 14 T + 58 T^{2} + 250 T^{3} + 2992 T^{4} + 9728 T^{5} - 11857 T^{6} + 301568 T^{7} + 2875312 T^{8} + 7447750 T^{9} + 53564218 T^{10} + 400808114 T^{11} + 887503681 T^{12} \))
$37$ (\( ( 1 - 11 T + 37 T^{2} )( 1 + 10 T + 37 T^{2} ) \))(\( 1 - 7 T + 12 T^{2} - 259 T^{3} + 1369 T^{4} \))(\( ( 1 - 11 T + 37 T^{2} )^{3}( 1 + 10 T + 37 T^{2} )^{3} \))(\( 1 + 9 T - 21 T^{2} - 268 T^{3} + 1293 T^{4} + 4875 T^{5} - 42882 T^{6} + 180375 T^{7} + 1770117 T^{8} - 13575004 T^{9} - 39357381 T^{10} + 624095613 T^{11} + 2565726409 T^{12} \))
$41$ (\( 1 - 3 T - 32 T^{2} - 123 T^{3} + 1681 T^{4} \))(\( 1 + 9 T + 40 T^{2} + 369 T^{3} + 1681 T^{4} \))(\( 1 - 90 T^{2} - 18 T^{3} + 4410 T^{4} + 810 T^{5} - 194177 T^{6} + 33210 T^{7} + 7413210 T^{8} - 1240578 T^{9} - 254318490 T^{10} + 4750104241 T^{12} \))(\( 1 - 12 T - 18 T^{2} + 78 T^{3} + 7470 T^{4} - 24546 T^{5} - 158105 T^{6} - 1006386 T^{7} + 12557070 T^{8} + 5375838 T^{9} - 50863698 T^{10} - 1390274412 T^{11} + 4750104241 T^{12} \))
$43$ (\( 1 - T - 42 T^{2} - 43 T^{3} + 1849 T^{4} \))(\( 1 + 11 T + 78 T^{2} + 473 T^{3} + 1849 T^{4} \))(\( ( 1 - 12 T - 6 T^{2} + 547 T^{3} - 258 T^{4} - 22188 T^{5} + 79507 T^{6} )( 1 + 18 T + 198 T^{2} + 1519 T^{3} + 8514 T^{4} + 33282 T^{5} + 79507 T^{6} ) \))(\( 1 - 18 T + 114 T^{2} - 682 T^{3} + 7188 T^{4} - 33492 T^{5} + 63039 T^{6} - 1440156 T^{7} + 13290612 T^{8} - 54223774 T^{9} + 389743314 T^{10} - 2646151974 T^{11} + 6321363049 T^{12} \))
$47$ (\( 1 - 47 T^{2} + 2209 T^{4} \))(\( 1 - 47 T^{2} + 2209 T^{4} \))(\( 1 - 9 T - 6 T^{2} + 531 T^{3} - 2433 T^{4} - 3438 T^{5} + 104623 T^{6} - 161586 T^{7} - 5374497 T^{8} + 55130013 T^{9} - 29278086 T^{10} - 2064105063 T^{11} + 10779215329 T^{12} \))(\( 1 + 3 T - 108 T^{2} - 267 T^{3} + 7263 T^{4} + 9786 T^{5} - 360137 T^{6} + 459942 T^{7} + 16043967 T^{8} - 27720741 T^{9} - 527005548 T^{10} + 688035021 T^{11} + 10779215329 T^{12} \))
$53$ (\( 1 - 3 T - 44 T^{2} - 159 T^{3} + 2809 T^{4} \))(\( 1 + 3 T - 44 T^{2} + 159 T^{3} + 2809 T^{4} \))(\( 1 + 15 T + 33 T^{3} + 13635 T^{4} + 60360 T^{5} - 225155 T^{6} + 3199080 T^{7} + 38300715 T^{8} + 4912941 T^{9} + 6272932395 T^{11} + 22164361129 T^{12} \))(\( 1 + 9 T - 36 T^{2} - 873 T^{3} - 1179 T^{4} + 26334 T^{5} + 272077 T^{6} + 1395702 T^{7} - 3311811 T^{8} - 129969621 T^{9} - 284057316 T^{10} + 3763759437 T^{11} + 22164361129 T^{12} \))
$59$ (\( 1 - 59 T^{2} + 3481 T^{4} \))(\( 1 - 12 T + 85 T^{2} - 708 T^{3} + 3481 T^{4} \))(\( 1 - 14 T - 20 T^{2} + 154 T^{3} + 11666 T^{4} - 35126 T^{5} - 499301 T^{6} - 2072434 T^{7} + 40609346 T^{8} + 31628366 T^{9} - 242347220 T^{10} - 10008940186 T^{11} + 42180533641 T^{12} \))(\( 1 + 4 T - 60 T^{2} - 994 T^{3} - 1304 T^{4} + 27376 T^{5} + 435479 T^{6} + 1615184 T^{7} - 4539224 T^{8} - 204146726 T^{9} - 727041660 T^{10} + 2859697196 T^{11} + 42180533641 T^{12} \))
$61$ (\( 1 + 2 T - 57 T^{2} + 122 T^{3} + 3721 T^{4} \))(\( 1 + 2 T - 57 T^{2} + 122 T^{3} + 3721 T^{4} \))(\( 1 - 8 T - 114 T^{2} + 342 T^{3} + 13762 T^{4} - 13214 T^{5} - 937217 T^{6} - 806054 T^{7} + 51208402 T^{8} + 77627502 T^{9} - 1578425874 T^{10} - 6756770408 T^{11} + 51520374361 T^{12} \))(\( 1 - 4 T - 32 T^{2} - 650 T^{3} + 292 T^{4} + 19532 T^{5} + 306323 T^{6} + 1191452 T^{7} + 1086532 T^{8} - 147537650 T^{9} - 443066912 T^{10} - 3378385204 T^{11} + 51520374361 T^{12} \))
$67$ (\( 1 - 4 T - 51 T^{2} - 268 T^{3} + 4489 T^{4} \))(\( 1 - 4 T - 51 T^{2} - 268 T^{3} + 4489 T^{4} \))(\( 1 - T - 88 T^{2} - 243 T^{3} + 2035 T^{4} + 14290 T^{5} + 72259 T^{6} + 957430 T^{7} + 9135115 T^{8} - 73085409 T^{9} - 1773298648 T^{10} - 1350125107 T^{11} + 90458382169 T^{12} \))(\( 1 - 5 T - 118 T^{2} + 327 T^{3} + 8263 T^{4} - 1138 T^{5} - 609341 T^{6} - 76246 T^{7} + 37092607 T^{8} + 98349501 T^{9} - 2377832278 T^{10} - 6750625535 T^{11} + 90458382169 T^{12} \))
$71$ (\( ( 1 + 12 T + 71 T^{2} )^{2} \))(\( ( 1 + 71 T^{2} )^{2} \))(\( ( 1 + 7 T + 15 T^{2} - 599 T^{3} + 1065 T^{4} + 35287 T^{5} + 357911 T^{6} )^{2} \))(\( ( 1 + 7 T + 163 T^{2} + 895 T^{3} + 11573 T^{4} + 35287 T^{5} + 357911 T^{6} )^{2} \))
$73$ (\( 1 + 11 T + 48 T^{2} + 803 T^{3} + 5329 T^{4} \))(\( 1 + 11 T + 48 T^{2} + 803 T^{3} + 5329 T^{4} \))(\( 1 - 19 T + 134 T^{2} - 27 T^{3} - 5759 T^{4} + 41986 T^{5} - 314903 T^{6} + 3064978 T^{7} - 30689711 T^{8} - 10503459 T^{9} + 3805364294 T^{10} - 39388360267 T^{11} + 151334226289 T^{12} \))(\( 1 + 25 T + 254 T^{2} + 2073 T^{3} + 20533 T^{4} + 115046 T^{5} + 366817 T^{6} + 8398358 T^{7} + 109420357 T^{8} + 806432241 T^{9} + 7213153214 T^{10} + 51826789825 T^{11} + 151334226289 T^{12} \))
$79$ (\( 1 - 16 T + 177 T^{2} - 1264 T^{3} + 6241 T^{4} \))(\( 1 + 8 T - 15 T^{2} + 632 T^{3} + 6241 T^{4} \))(\( 1 - 5 T - 138 T^{2} + 123 T^{3} + 11347 T^{4} + 21118 T^{5} - 1048937 T^{6} + 1668322 T^{7} + 70816627 T^{8} + 60643797 T^{9} - 5375111178 T^{10} - 15385281995 T^{11} + 243087455521 T^{12} \))(\( 1 - 7 T - 44 T^{2} + 19 T^{3} - 1043 T^{4} + 28016 T^{5} + 109223 T^{6} + 2213264 T^{7} - 6509363 T^{8} + 9367741 T^{9} - 1713803564 T^{10} - 21539394793 T^{11} + 243087455521 T^{12} \))
$83$ (\( 1 + 9 T - 2 T^{2} + 747 T^{3} + 6889 T^{4} \))(\( 1 - 3 T - 74 T^{2} - 249 T^{3} + 6889 T^{4} \))(\( 1 + 2 T - 182 T^{2} + 2 T^{3} + 18788 T^{4} - 13564 T^{5} - 1721225 T^{6} - 1125812 T^{7} + 129430532 T^{8} + 1143574 T^{9} - 8637414422 T^{10} + 7878081286 T^{11} + 326940373369 T^{12} \))(\( 1 + 8 T - 180 T^{2} - 518 T^{3} + 29404 T^{4} + 32420 T^{5} - 2713585 T^{6} + 2690860 T^{7} + 202564156 T^{8} - 296185666 T^{9} - 8542497780 T^{10} + 31512325144 T^{11} + 326940373369 T^{12} \))
$89$ (\( 1 - 3 T - 80 T^{2} - 267 T^{3} + 7921 T^{4} \))(\( 1 - 15 T + 136 T^{2} - 1335 T^{3} + 7921 T^{4} \))(\( 1 - 9 T - 144 T^{2} + 1197 T^{3} + 16101 T^{4} - 73314 T^{5} - 1141967 T^{6} - 6524946 T^{7} + 127536021 T^{8} + 843847893 T^{9} - 9034882704 T^{10} - 50256535041 T^{11} + 496981290961 T^{12} \))(\( 1 - 9 T - 180 T^{2} + 729 T^{3} + 31041 T^{4} - 54846 T^{5} - 2925911 T^{6} - 4881294 T^{7} + 245875761 T^{8} + 513922401 T^{9} - 11293603380 T^{10} - 50256535041 T^{11} + 496981290961 T^{12} \))
$97$ (\( 1 - T - 96 T^{2} - 97 T^{3} + 9409 T^{4} \))(\( 1 - T - 96 T^{2} - 97 T^{3} + 9409 T^{4} \))(\( 1 - 28 T + 281 T^{2} - 2724 T^{3} + 45178 T^{4} - 388196 T^{5} + 2169217 T^{6} - 37655012 T^{7} + 425079802 T^{8} - 2486121252 T^{9} + 24876727961 T^{10} - 240445527196 T^{11} + 832972004929 T^{12} \))(\( 1 + 28 T + 257 T^{2} + 2820 T^{3} + 59506 T^{4} + 545924 T^{5} + 3126001 T^{6} + 52954628 T^{7} + 559891954 T^{8} + 2573737860 T^{9} + 22752025217 T^{10} + 240445527196 T^{11} + 832972004929 T^{12} \))
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