Finite Group Databasebeta
Cayley diagram

C2×#1382 #12560

order256
nilpotency class4
isoclinismisoclinic class of D16
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1382

Subgroups

subgroupG/H
centerC22×C4D8
commutatorC8C2×C42
Frattini, cosocleC22×C8C23
socleC23#102
prime radicalC24SD16
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

295 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 38 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146331, #146332, C4×#1382, …
maximal normal subgroup of#146331, #146332, C4×#1382, …
maximal quotient ofC2×#7155, #126688, #126706, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5548);