Finite Group Databasebeta
Cayley diagram

C2×#1313 #11403

order256
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphismAut(G) order 8192
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C23

Aliases

direct productC2×#1313

Subgroups

subgroupG/H
centerC22×C4C42
commutatorC4C2×C4×C8
Frattini, cosocleC4×C8C23
socle, prime radicalC23#97
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

151 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 26 points:

(1,2);(11,12,13,17,14,19,21,25,15,18,20,26,22,16,23,24);(3,4,5,7,6,8,9,10)(12,16,18,19)(13,20)(17,25,26,24)(21,23)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93997, C4×#1313, #126524, …
maximal normal subgroup of#93997, C4×#1313, #126524, …
maximal quotient ofC2×#7053, #122215, #122216, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4391);