Finite Group Databasebeta
Cayley diagram

C2×#3168 #60670

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3168

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutator, Frattini, cosocleC2×C4C25
socleC23C22×D4
prime radicalC2×#466C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1035 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129553, #129554, #129925, …
maximal normal subgroup of#129553, #129554, #129925, …
maximal quotient ofC2×#20818, C2×#21274, C2×#21275, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53658);