Properties

Label 1275.2.b
Level $1275$
Weight $2$
Character orbit 1275.b
Rep. character $\chi_{1275}(1174,\cdot)$
Character field $\Q$
Dimension $48$
Newform subspaces $11$
Sturm bound $360$
Trace bound $11$

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Defining parameters

Level: \( N \) \(=\) \( 1275 = 3 \cdot 5^{2} \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1275.b (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 5 \)
Character field: \(\Q\)
Newform subspaces: \( 11 \)
Sturm bound: \(360\)
Trace bound: \(11\)
Distinguishing \(T_p\): \(2\), \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1275, [\chi])\).

Total New Old
Modular forms 192 48 144
Cusp forms 168 48 120
Eisenstein series 24 0 24

Trace form

\( 48 q - 48 q^{4} - 4 q^{6} - 48 q^{9} + O(q^{10}) \) \( 48 q - 48 q^{4} - 4 q^{6} - 48 q^{9} + 16 q^{11} + 8 q^{14} + 32 q^{16} - 8 q^{19} - 4 q^{21} + 12 q^{24} - 24 q^{26} + 16 q^{29} - 36 q^{31} + 8 q^{34} + 48 q^{36} + 20 q^{39} + 24 q^{41} - 24 q^{44} - 64 q^{46} - 68 q^{49} - 8 q^{51} + 4 q^{54} - 96 q^{56} + 8 q^{59} - 12 q^{61} + 56 q^{64} + 8 q^{66} + 4 q^{69} - 16 q^{71} - 56 q^{74} + 40 q^{76} + 64 q^{79} + 48 q^{81} - 8 q^{84} + 8 q^{86} - 80 q^{89} - 44 q^{91} - 104 q^{94} - 68 q^{96} - 16 q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1275, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1275.2.b.a 1275.b 5.b $2$ $10.181$ \(\Q(\sqrt{-1}) \) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+2iq^{2}-iq^{3}-2q^{4}+2q^{6}-iq^{7}+\cdots\)
1275.2.b.b 1275.b 5.b $2$ $10.181$ \(\Q(\sqrt{-1}) \) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-iq^{3}+2q^{4}-4iq^{7}-q^{9}-3q^{11}+\cdots\)
1275.2.b.c 1275.b 5.b $2$ $10.181$ \(\Q(\sqrt{-1}) \) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+iq^{3}+2q^{4}-iq^{7}-q^{9}+2q^{11}+\cdots\)
1275.2.b.d 1275.b 5.b $4$ $10.181$ \(\Q(i, \sqrt{17})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{2}+\beta _{2}q^{3}+(-3+\beta _{3})q^{4}+(1+\cdots)q^{6}+\cdots\)
1275.2.b.e 1275.b 5.b $4$ $10.181$ \(\Q(i, \sqrt{5})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(\beta _{1}-\beta _{3})q^{2}-\beta _{3}q^{3}+3\beta _{2}q^{4}+(-1+\cdots)q^{6}+\cdots\)
1275.2.b.f 1275.b 5.b $4$ $10.181$ \(\Q(i, \sqrt{13})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{2}-\beta _{2}q^{3}+(-2+\beta _{3})q^{4}+(-1+\cdots)q^{6}+\cdots\)
1275.2.b.g 1275.b 5.b $4$ $10.181$ \(\Q(\zeta_{8})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\zeta_{8}^{2}q^{2}-\zeta_{8}q^{3}-\zeta_{8}^{3}q^{6}+(-3\zeta_{8}+\cdots)q^{7}+\cdots\)
1275.2.b.h 1275.b 5.b $6$ $10.181$ 6.0.350464.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(-\beta _{3}+\beta _{4})q^{2}-\beta _{3}q^{3}+(-1-\beta _{1}+\cdots)q^{4}+\cdots\)
1275.2.b.i 1275.b 5.b $6$ $10.181$ 6.0.3356224.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{2}-\beta _{3}q^{3}+(-1+\beta _{2})q^{4}-\beta _{4}q^{6}+\cdots\)
1275.2.b.j 1275.b 5.b $6$ $10.181$ 6.0.350464.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{5}q^{2}+\beta _{3}q^{3}+(-1+\beta _{1}-\beta _{2}+\cdots)q^{4}+\cdots\)
1275.2.b.k 1275.b 5.b $8$ $10.181$ \(\mathbb{Q}[x]/(x^{8} + \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{2}-\beta _{4}q^{3}+(-2-\beta _{1})q^{4}-\beta _{6}q^{6}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(1275, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1275, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(85, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(255, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(425, [\chi])\)\(^{\oplus 2}\)