Finite Group Databasebeta
Cayley diagram

C2×#1931 #21074

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1931

Subgroups

subgroupG/H
center, socleC23#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

577 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1931, #354359, #357125, …
maximal normal subgroup ofC4×#1931, #354359, #357125, …
maximal quotient ofC2×#9550, C2×#9552, #202489, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14062);