Finite Group Databasebeta

C4×C52×ΓL(1,𝔽8) #14523575

order2100
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphism?
homologyAbelianization (H1) = C3×C4×C52 · Schur multiplier (H2) = C5

Aliases

direct productC4×C52×ΓL(1,𝔽8)
unambiguous semidirect product(C4×C7)⋊(C3×C52)
unambiguous semidirect product(C4×C5×C7)⋊(C3×C5)

Splittings

Fitting, HallC4×C52×C7 ⋊ C3
derived, SylowC7 ⋊ C3×C4×C52
HallC52×C7 ⋊ C3×C4
HallC4×C7 ⋊ C3×C52

Subgroups

subgroupG/H
center, hypercenterC4×C52ΓL(1,𝔽8)
commutator, hypocenterC7C3×C4×C52
FrattiniC2C2×C52×ΓL(1,𝔽8)
FittingC4×C52×C7C3
socleC2×C52×C7C2×C3
prime radicalC2×C52×ΓL(1,𝔽8)C2
cosocleC2×C7C2×C3×C52
LCSG ▷ C7
UCSC1 ◁ C4×C52

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 700

A minimal faithful permutation representation — 2 generators on 21 points:

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

Conjugacy classes & character table

500 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4×C52×C49⋊C3, C52×#10596873, C52×#10596872, …
maximal normal subgroup ofC4×C52×C7×ΓL(1,𝔽8), C4×C52×C11×ΓL(1,𝔽8), C4×C52×C13×ΓL(1,𝔽8), …
maximal quotient ofC4×C52×C49⋊C3, C52×#10596873, C52×#10596872, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2100, 55);