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| Mirrors > Home > MPE Home > Th. List > dchrplusg | Structured version Visualization version GIF version | ||
| Description: Group operation on the group of Dirichlet characters. (Contributed by Mario Carneiro, 18-Apr-2016.) |
| Ref | Expression |
|---|---|
| dchrmhm.g | ⊢ 𝐺 = (DChr‘𝑁) |
| dchrmhm.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
| dchrmhm.b | ⊢ 𝐷 = (Base‘𝐺) |
| dchrmul.t | ⊢ · = (+g‘𝐺) |
| dchrplusg.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| Ref | Expression |
|---|---|
| dchrplusg | ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchrmhm.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchrmhm.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2756 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 4 | eqid 2756 | . . . 4 ⊢ (Unit‘𝑍) = (Unit‘𝑍) | |
| 5 | dchrplusg.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 6 | dchrmhm.b | . . . . 5 ⊢ 𝐷 = (Base‘𝐺) | |
| 7 | 1, 2, 3, 4, 5, 6 | dchrbas 27269 | . . . 4 ⊢ (𝜑 → 𝐷 = {𝑥 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∣ (((Base‘𝑍) ∖ (Unit‘𝑍)) × {0}) ⊆ 𝑥}) |
| 8 | 1, 2, 3, 4, 5, 7 | dchrval 27268 | . . 3 ⊢ (𝜑 → 𝐺 = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 9 | 8 | fveq2d 6860 | . 2 ⊢ (𝜑 → (+g‘𝐺) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 10 | dchrmul.t | . 2 ⊢ · = (+g‘𝐺) | |
| 11 | 6 | fvexi 6870 | . . . 4 ⊢ 𝐷 ∈ V |
| 12 | 11, 11 | xpex 7725 | . . 3 ⊢ (𝐷 × 𝐷) ∈ V |
| 13 | ofexg 7654 | . . 3 ⊢ ((𝐷 × 𝐷) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) ∈ V) | |
| 14 | eqid 2756 | . . . 4 ⊢ {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} | |
| 15 | 14 | grpplusg 17295 | . . 3 ⊢ (( ∘f · ↾ (𝐷 × 𝐷)) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 16 | 12, 13, 15 | mp2b 10 | . 2 ⊢ ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 17 | 9, 10, 16 | 3eqtr4g 2816 | 1 ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1554 ∈ wcel 2136 Vcvv 3448 {cpr 4578 〈cop 4582 × cxp 5638 ↾ cres 5642 ‘cfv 6510 ∘f cof 7647 · cmul 11068 ℕcn 12200 ndxcnx 17205 Basecbs 17221 +gcplusg 17262 Unitcui 20376 ℤ/nℤczn 21527 DChrcdchr 27266 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-cnex 11119 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-pre-mulgt0 11140 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-of 7649 df-om 7836 df-1st 7959 df-2nd 7960 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-1o 8425 df-er 8666 df-en 8917 df-dom 8918 df-sdom 8919 df-fin 8920 df-pnf 11208 df-mnf 11209 df-xr 11210 df-ltxr 11211 df-le 11212 df-sub 11406 df-neg 11407 df-nn 12201 df-2 12270 df-n0 12472 df-z 12559 df-uz 12830 df-fz 13503 df-struct 17159 df-slot 17194 df-ndx 17206 df-base 17222 df-plusg 17275 df-dchr 27267 |
| This theorem is referenced by: dchrmul 27282 |
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