Finite Group Databasebeta
Cayley diagram

C8×C31 #6934

order248
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C23×C3×C5 (order 120) · Inn(G) = C1 · Out(G) = C23×C3×C5
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC248
abelianC8×C31

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC4C2×C31
socle, prime radicalC2×C31C4
LCSG ▷ C1
UCSC1 ◁ G

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 248

A minimal faithful permutation representation — 1 generator on 39 points:

(1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39)

Conjugacy classes & character table

248 conjugacy classes — view the full character table.

Relationships

center ofC31×M32, C31×#131, C31×C3⋊C16, …
derived subgroup ofD496, #11758388, Dic248, …
Frattini subgroup ofD15376, Dic7688
Fitting subgroup ofC31⋊C16, C8×D31, #92469, …
maximal subgroup ofC31⋊C16, C16×C31, C8×D31, …
maximal normal subgroup ofC31⋊C16, C16×C31, C8×D31, …
maximal quotient ofC16×C31, C2×C8×C31, C3⋊C8×C31, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(248, 2);