Finite Group Databasebeta
Cayley diagram

C2×#3285 #61045

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3285

Subgroups

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

1397 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130716, #130719, #130723, …
maximal normal subgroup of#130716, #130719, #130723, …
maximal quotient ofC2×#19835, C2×#19836, C2×#19837, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54033);