Finite Group Databasebeta
Cayley diagram

C49⋊C8 #87621

order392
isoclinismisoclinic class of D49
automorphism?
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC49⋊C8

Splittings

derived, SylowC49 ⋊ C8

Subgroups

subgroupG/H
center, hypercenterC4D49
commutator, hypocenterC49C8
FrattiniC4×C7D7
Fitting, cosocleC4×C49C2
socle, prime radicalC2×C7Dic7
LCSG ▷ C49
UCSC1 ◁ C4

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 57
transitive degreeμt(G) = 392

A minimal faithful permutation representation — 2 generators on 57 points:

(2,4)(3,7)(5,10)(6,13)(8,16)(9,15)(11,20)(12,23)(14,25)(17,29)(18,28)(19,27)(21,22)(24,34)(26,36)(30,37)(31,39)(32,38)(33,42)(35,44)(40,45)(41,46)(43,48)(47,49)(50,51,52,54,53,55,56,57);(1,15,39,49,41,19,4,7,28,45,43,32,10,13,16,37,35,33,20,23,25,29,26,24,22,21,34,36,17,14,12,11,42,44,30,8,6,5,38,48,40,18,3,2,27,46,47,31,9)

Polycyclic presentation:

2^3,7^2|a^2=b,b^2=c,d^7=e^6,d^a=d^6e,e^a=e^6

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×D49, #11715985, C2×C49⋊C8, …
maximal normal subgroup ofC8×D49, #11715985, C2×C49⋊C8, …
maximal quotient ofC49⋊C16, C2×C49⋊C8, C3×C49⋊C8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(392, 1);