Finite Group Databasebeta
Cayley diagram

C4×#562 #34352

order256
nilpotency class2
isoclinismisoclinic class of #560
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC4×#562

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, socle, cosocleC23C25
prime radicalC2×#562C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C23 ▷ C1

1124 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 20 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97002, C4×#1656, C4×#1661, …
maximal normal subgroup of#97002, C4×#1656, C4×#1661, …
maximal quotient ofC4×#2377, C4×#2376, C4×#2378, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27340);