Projective Symplectic Group
The projective symplectic group 
is the Group obtained from the Symplectic Group 
on factoring by the Scalar Matrices contained in that Group. 
is Simple except for
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so it is given the simpler name
, with 
.
References
Conway, J. H.; Curtis, R. T.; Norton, S. P.; Parker, R. A.; and Wilson, R. A. ``The Groups and 
.'' §2.3 in Atlas of Finite Groups: Maximal Subgroups and Ordinary Characters for Simple Groups. Oxford, England: Clarendon Press, pp. x-xi, 1985.
- Cobordant Manifold
- Cobordism
- Cobordism Group
- Cobordism Ring
- Cochleoid
- Cochleoid Inverse Curve
- Cochloid
- Cochran's Theorem
- Cocked Hat Curve
- Cocktail Party Graph
- Coconut
- Codazzi Equations
- Code
- Codimension
- Coding Theory
- Coefficient
- Coefficient Field
- Coercive Functional
- Cofactor
- Cohen-Kung Theorem
- Cohomology
- Cohomotopy Group
- Coin
- Coincidence
- Coin Flipping