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| Mirrors > Home > MPE Home > Th. List > dchr1 | Structured version Visualization version GIF version | ||
| Description: Value of the principal Dirichlet character. (Contributed by Mario Carneiro, 28-Apr-2016.) |
| Ref | Expression |
|---|---|
| dchr1.g | ⊢ 𝐺 = (DChr‘𝑁) |
| dchr1.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
| dchr1.o | ⊢ 1 = (0g‘𝐺) |
| dchr1.u | ⊢ 𝑈 = (Unit‘𝑍) |
| dchr1.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| dchr1.a | ⊢ (𝜑 → 𝐴 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| dchr1 | ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchr1.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchr1.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2761 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | eqid 2761 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 5 | dchr1.u | . . . 4 ⊢ 𝑈 = (Unit‘𝑍) | |
| 6 | eqid 2761 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) | |
| 7 | dchr1.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | dchr1cl 27391 | . . 3 ⊢ (𝜑 → (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺)) |
| 9 | eleq1w 2844 | . . . . . 6 ⊢ (𝑘 = 𝑥 → (𝑘 ∈ 𝑈 ↔ 𝑥 ∈ 𝑈)) | |
| 10 | 9 | ifbid 4510 | . . . . 5 ⊢ (𝑘 = 𝑥 → if(𝑘 ∈ 𝑈, 1, 0) = if(𝑥 ∈ 𝑈, 1, 0)) |
| 11 | 10 | cbvmptv 5214 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑥 ∈ (Base‘𝑍) ↦ if(𝑥 ∈ 𝑈, 1, 0)) |
| 12 | eqid 2761 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 13 | 1, 2, 3, 4, 5, 11, 12, 8 | dchrmullid 27392 | . . 3 ⊢ (𝜑 → ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 14 | 1 | dchrabl 27394 | . . . 4 ⊢ (𝑁 ∈ ℕ → 𝐺 ∈ Abel) |
| 15 | ablgrp 19854 | . . . 4 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) | |
| 16 | dchr1.o | . . . . 5 ⊢ 1 = (0g‘𝐺) | |
| 17 | 3, 12, 16 | isgrpid2 19042 | . . . 4 ⊢ (𝐺 ∈ Grp → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 18 | 7, 14, 15, 17 | 4syl 20 | . . 3 ⊢ (𝜑 → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 19 | 8, 13, 18 | mpbi2and 724 | . 2 ⊢ (𝜑 → 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 20 | simpr 489 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 = 𝐴) | |
| 21 | dchr1.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑈) | |
| 22 | 21 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝐴 ∈ 𝑈) |
| 23 | 20, 22 | eqeltrd 2861 | . . 3 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 ∈ 𝑈) |
| 24 | 23 | iftrued 4494 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → if(𝑘 ∈ 𝑈, 1, 0) = 1) |
| 25 | 4, 5 | unitss 20457 | . . 3 ⊢ 𝑈 ⊆ (Base‘𝑍) |
| 26 | 25, 21 | sselid 3934 | . 2 ⊢ (𝜑 → 𝐴 ∈ (Base‘𝑍)) |
| 27 | 1cnd 11201 | . 2 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 28 | 19, 24, 26, 27 | fvmptd 6997 | 1 ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1568 ∈ wcel 2141 ifcif 4486 ↦ cmpt 5191 ‘cfv 6536 (class class class)co 7410 ℂcc 11097 0cc0 11099 1c1 11100 ℕcn 12232 Basecbs 17268 +gcplusg 17309 0gc0g 17491 Grpcgrp 18999 Abelcabl 19850 Unitcui 20436 ℤ/nℤczn 21631 DChrcdchr 27372 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 ax-addf 11178 ax-mulf 11179 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-of 7674 df-om 7862 df-1st 7985 df-2nd 7986 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8452 df-er 8693 df-ec 8695 df-qs 8699 df-map 8825 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-sup 9401 df-inf 9402 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-div 11871 df-nn 12233 df-2 12302 df-3 12303 df-4 12304 df-5 12305 df-6 12306 df-7 12307 df-8 12308 df-9 12309 df-n0 12504 df-z 12591 df-dec 12711 df-uz 12862 df-fz 13535 df-struct 17206 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-ress 17290 df-plusg 17322 df-mulr 17323 df-starv 17324 df-sca 17325 df-vsca 17326 df-ip 17327 df-tset 17328 df-ple 17329 df-ds 17331 df-unif 17332 df-0g 17493 df-imas 17561 df-qus 17562 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-mhm 18840 df-grp 19002 df-minusg 19003 df-sbg 19004 df-subg 19188 df-nsg 19189 df-eqg 19190 df-cmn 19851 df-abl 19852 df-mgp 20216 df-rng 20230 df-ur 20263 df-ring 20316 df-cring 20317 df-oppr 20418 df-dvdsr 20438 df-unit 20439 df-invr 20469 df-subrng 20630 df-subrg 20654 df-lmod 20962 df-lss 21032 df-lsp 21072 df-sra 21273 df-rgmod 21274 df-lidl 21311 df-rsp 21312 df-2idl 21368 df-cnfld 21502 df-zring 21576 df-zn 21635 df-dchr 27373 |
| This theorem is referenced by: dchrinv 27401 dchr1re 27403 dchrsum2 27408 rpvmasumlem 27627 rpvmasum2 27652 |
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