Finite Group Databasebeta
Cayley diagram

C2×#358 #2137

order128
nilpotency class4
isoclinismisoclinic class of D16
automorphismAut(G) order 4096
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#358

Subgroups

subgroupG/H
center, socle, prime radicalC23D8
commutatorC8C22×C4
Frattini, cosocleC2×C8C23
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C4 ◁ C22×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

116 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#358, #12638, #12732, …
maximal normal subgroup ofC4×#358, #12638, #12732, …
maximal quotient ofC2×#1332, #11646, #11658, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 869);