Finite Group Databasebeta

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C₂×#7919 #181053

order	512
nilpotency class	3
isoclinism	isoclinic class of #1462
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂⁵×C₄

Aliases

Subgroups

	subgroup	G/H
center	C₂²×C₄	C₂×C₂²⋊C₄
commutator	C₂³	C₂²×C₄²
Frattini, cosocle	C₂×C₄²	C₂⁴
socle	C₂³	C₂×#95
prime radical	C₂⁵	C₄²
LCS	G ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₄ ◁ C₂³×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

1806 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 26
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(3,4,5,8,6,7,9,10)(11,12)(13,19,20,16)(14,18)(15,17)(21,25,26,23)(22,24);(11,13,14,21,15,20,22,26)(12,16,18,23,17,19,24,25);(4,7)(8,10)

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	C₂×#196123, #72237152, #72237155, …
maximal normal subgroup of	C₂×#196123, #72237152, #72237155, …
maximal quotient of	#72237155, #72239204, #72257629, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 88249);