Finite Group Databasebeta
Cayley diagram

C2×#1426 #13637

order256
nilpotency class5
isoclinismisoclinic class of #1426
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC2×#1426

Subgroups

subgroupG/H
center, socleC22#367
commutatorC16C22×C4
Frattini, cosocleC2×C16C23
prime radicalC23SD32
LCSG ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×C8 ◁ C22×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

95 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 34 points:

(1,2);(4,9,11,22)(5,14)(6,18)(7,19)(10,25)(12,26,29,34)(13,32,30,24)(15,20)(16,28)(17,27)(21,33,31,23);(3,4,10,26,6,12,5,9,19,30,14,23,15,21,25,32,8,11,28,34,20,29,17,22,7,13,27,33,18,31,16,24)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1426, #152000, #152299, …
maximal normal subgroup ofC4×#1426, #152000, #152299, …
maximal quotient ofC2×#7463, #151038, #151054, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6625);