Finite Group Databasebeta

C7⋊#64470 #14523563

order2100
isoclinismisoclinic class of C7⋊#3874
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊#64470

Splittings

derived, HallC7×C52⋊C3 ⋊ C4
HallC52×C7 ⋊ Dic3
HallC52⋊C3 ⋊ Dic7
SylowC52 ⋊ Dic21
SylowC7 ⋊ #64470

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊#3874
commutator, hypocenterC7×C52⋊C3C4
Fitting, socleC2×C52×C7D3
prime radical, cosocleC2×C7×C52⋊C3C2
LCSG ▷ C7×C52⋊C3
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 420

Polycyclic presentation:

2,3,7,5^2,2|a^2=f,b^a=b^2,c^a=c^6,d^a=d^2e,e^a=d^2e^3,d^b=d^2e^4,e^b=d^2e^2

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC49⋊#64470, C7×C7⋊#64470, C7⋊(C7⋊#64470), …
maximal normal subgroup ofC7×C7⋊#64470, C11×C7⋊#64470, C13×C7⋊#64470, …
maximal quotient ofC49⋊#64470, C7×C7⋊#64470, C7⋊(C7⋊#64470), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2100, 43);