Finite Group Databasebeta
Cayley diagram

C2×#2950 #60164

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 524288
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2950

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
prime radicalC24C2×D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1327 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 38 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129518, #146735, #146751, …
maximal normal subgroup of#129518, #146735, #146751, …
maximal quotient ofC2×#17856, C2×#17880, C2×#17897, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53152);