# LIB2-103 — The registered grading centralizer has the printed dimension and signature

- class: CLAIM · review_state: PUBLISHED · house_tier: not yet assigned
- labels as printed: math_status NOT_PRINTED · attachment NOT_PRINTED · scorecard tier word none (PDF p.257)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The registered grading centralizer C(H) ⊂ e7(7) has dimension 79, displayed signature (43,36,0), and centre dimension 1.

## Caution

The presence of compact directions does not fix their angles, and the Appendix-H K is not a member of this centralizer.

## Primary source

Appendix N, §6, Grading centralizer census, PDF p.270: "C(H) ⊂ e7(7) has 79, (43, 36, 0), 1."

## Machine

- url: /library-v2/LIB2-103/
- content_sha256: 16c6d274c91eb17605d2d3871cc18dd769fc6747bbbeab1ab3689386e7384ae9
- candidate_ids: C2-104

## Freshness

- BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02
- Declared volatile fields (R36): BUILD_STAMP