Finite Group Databasebeta
Cayley diagram

C2×#3278 #61037

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

Aliases

direct productC2×#3278

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#550C2
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)(7,8,12,10)(9,15,16,22)(11,19,21,14)(13,20,18,17);(7,9,12,16)(8,13,10,18)(11,20,21,17)(14,22,19,15);(4,6)(9,16)(13,18)(15,22)(17,20);(7,10,12,8)(9,15,16,22)(11,14,21,19)(13,20,18,17)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220399, #220771, #220843, …
maximal normal subgroup of#220399, #220771, #220843, …
maximal quotient ofC2×#19889, C2×#19897, C2×#19907, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54025);