Finite Group Databasebeta
Cayley diagram

C2×#3270 #61028

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3270

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#548C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1371 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)(10,18)(13,21)(14,19)(15,22)(16,20);(7,8,11,14)(9,15,17,21)(10,19,18,12)(13,20,22,16);(4,6);(7,9,11,17)(8,13,14,22)(10,20,18,16)(12,21,19,15)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220267, C4×#3270, #6383917, …
maximal normal subgroup of#220267, C4×#3270, #6383917, …
maximal quotient ofC2×#19761, C2×#19769, C2×#19781, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54016);