Finite Group Databasebeta
Cayley diagram

C2×#3153 #60638

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#3153

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1695 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#112709, #112743, #112765, …
maximal normal subgroup of#112709, #112743, #112765, …
maximal quotient ofC2×#19623, C2×#19624, C2×#19627, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53626);