#778781

order	512
nilpotency class	2
isoclinism	isoclinic class of #772778
automorphism	?
homology	Abelianization (H₁) = C₂⁵ · Schur multiplier (H₂) = C₂⁶×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, commutator, Frattini, socle, prime radical, cosocle	C₂⁴	C₂⁵
LCS	G ▷ C₂⁴ ▷ C₁
UCS	C₁ ◁ C₂⁴ ◁ G
LECS	G ▷ C₂⁴ ▷ C₁

2370 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 28
transitive degree	μ_t(G) = 512

A minimal faithful permutation representation — 5 generators on 28 points:

(2,4)(5,6,10,9)(7,12,8,11)(13,14)(15,20)(16,18)(17,19)(21,22,25,24)(23,26,28,27);(5,7,10,8)(6,11,9,12)(13,15)(14,19)(16,20)(17,18)(21,22)(23,27)(24,25)(26,28);(13,14,18,16)(15,20,17,19)(21,23)(22,26)(24,27)(25,28);(1,2)(3,4)(5,8,10,7)(6,12,9,11)(13,16,18,14)(15,20,17,19)(21,23)(22,27)(24,26)(25,28);(5,9,10,6)(7,11,8,12)(13,17,18,15)(14,19,16,20)(21,24,25,22)(23,27,28,26)

Polycyclic presentation:

2^9|a^2=fg,b^2=fh,c^2=g,d^2=fgh,e^2=f,b^a=bf,c^a=cg,d^a=di,c^b=ch,e^b=ef,e^d=ef

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 685977);