Finite Group Databasebeta
Cayley diagram

C2×#2397 #34544

order256
nilpotency class2
isoclinismisoclinic class of #392
automorphismAut(G) order 12582912
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#2397

Subgroups

subgroupG/H
centerC23×C4C23
commutator, Frattini, cosocleC23C25
socleC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

2575 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2397⋊C3, C2×#11711943, #72228214, …
maximal subgroup of#111495, #115159, #129854, …
maximal normal subgroup of#111495, #115159, #129854, …
maximal quotient ofC2×#13847, C2×#13856, C2×C4×#392, …
outer automorphism group of#7163, #7467, #11409

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27532);