Finite Group Databasebeta
Cayley diagram

C2×#12665 #493122

order512
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphism?
homologyAbelianization (H1) = C22×C4×C8 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#12665

Subgroups

subgroupG/H
centerC22×C8C2×D4
commutatorC4C22×C4×C8
Frattini, cosocleC22×C8C24
socleC23C8×D4
prime radicalC24#131
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C8 ◁ C23×C16 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

786 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 38 points:

(1,2);(7,8,12,16,11,15,24,10,13,17,29,25,27,34,38,26)(9,18,21,19,22,14,30,31,23,32,28,37,20,33,36,35);(3,4,5,6)(7,9)(8,14)(10,19)(11,22)(12,28)(13,23)(15,32)(16,35)(17,33)(18,34)(20,27)(21,29)(24,36)(25,31)(26,37)(30,38);(7,10,24,34,27,16,12,17,13,26,38,15,11,25,29,8)(9,19,36,18,20,35,28,33,23,37,30,32,22,31,21,14)

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#129164, C2×#128694, C2×C4×#2171, …
maximal normal subgroup ofC2×#129164, C2×#128694, C2×C4×#2171, …
maximal quotient ofC2×#129044, #72287066

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 400318);