Finite Group Databasebeta

C7×#2222 #11730691

order896
nilpotency class4
isoclinismisoclinic class of #2221
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#2222

Subgroups

subgroupG/H
center, socleC2×C7#466
commutator, Frattini, cosocleC2×C8C23×C7
prime radicalC7×#41D4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C7×#131 ◁ G

140 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 140 conjugacy classes of subgroups — too many to draw. Only its 60 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 71
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 3 generators on 71 points:

(1,2,3,4,5,6,7)(8,9,15,21)(10,22,28,50)(11,29,32,46)(12,33,35,44)(13,20,14,19)(16,37,41,25)(17,36,43,31)(18,34,45,23)(24,53,56,70)(26,49,27,48)(30,61,62,42)(38,65,66,71)(39,57,40,51)(47,58,69,55)(52,60,63,68)(54,59,64,67);(8,10,23,51,14,27,35,37,15,28,34,57,13,26,12,25)(9,16,33,49,20,40,45,50,21,41,44,48,19,39,18,22)(11,24,52,71,31,55,62,64,32,56,63,65,36,58,30,54)(17,38,60,53,29,59,61,69,43,66,68,70,46,67,42,47);(8,11)(9,17)(10,24)(12,30)(13,36)(14,31)(15,32)(16,38)(18,42)(19,46)(20,29)(21,43)(22,47)(23,52)(25,54)(26,58)(27,55)(28,56)(33,60)(34,63)(35,62)(37,64)(39,67)(40,59)(41,66)(44,68)(45,61)(48,70)(49,53)(50,69)(51,71)(57,65)

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13274492, #13274499, #13274664, …
maximal subgroup ofC7×#13671, C7×#13672, C7×#13701, …
maximal normal subgroup ofC7×#13671, C7×#13672, C7×#13701, …
maximal quotient ofC7×#12431, C7×#12434, C7×#12440, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5457);